M Packet Nbde Part 2

[

j

600Z

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-l:;:DLJV d

lStll

II

l(JVd

/

.

,1 'l'

are·

..

, j!:"JnarIy (If

on<!

A­

~!

B.

C.

').

mycfasdai . . .

CfySb'don s,nctrome.

E.

htemal derangement

wfth

reduc Son.

T~m

.

-.1tJ'U(:~

au_ornporaI

oyndnlmo.

c=noId

hyptfOl_.

7

.

Each

oI1he following

10

radlcltion

E'(CEPT me.

EXCEP'lO

t:ythrornym is

responsible .."numerous

dIUQ

;~ractions. some

of

whid1 are fatal. """hIs

tiS

A.

Roda,

because erythromyan _{8. X rays}

C Alpha rays A. increases tria absorpbon of many drugs.

D.

Gemma rays

B. decreases

tha

absorption of many drugs

E.

Visible ligh'

C

decreases cytochrome P-450 metaboilm of

other drugs.

D.

increases renal reabsorption of many (lrugs.

Which of the foUowing Is NOT a complic;atlon of E. decreases distribution of many drugs.

8.

radiation thelllPY? A. Mucositis

3.

The penetrating quality of x-ray beams is

_B.

Xarostomia influenced by which of the foUov.ing?

_C.

_{Osteoradioneaosis}

D. Granuloma A. Kilovoltage

8. Mitliamperage C. Exposure time

9

Each of the following

is knOwn

to contnbute to D. Focal-film distance

Ofofacial clefting EXCEPT one, Which one is the E. Filament temperature

EXCEPTION? A. Yalium® 4 Contraction of the latentl pterygoid muscle moves

B Poor diet f1e articular disk in which of the follOWIng

C. Acetaminophen

irections? _D.

Vitamin deficiency or excess A. Anteriorly and medially

8

Posteriorly and medially

C. Anlenorly and laterally 10, Which of the fortoWlng phYSIcal signs indicates

D. Posteriorly and laterally severe eNS .,xygen deprivation?

E. Anteriorly. laterally. and Interiorly

A. Dilated pupils with increased light reflex B. PInpoint pupils with increased light reflex C. Dilated pupds with an absence of light renax A decrease in which of the following causes an

5.

_{D. Pinpoint pupils wilh an absence of light}

increase in radiographic density?

reflex A Milliamperage (mA)

B Kilovottage peak (kVp)

C Object-film distance

11

.

Subconjunctival hemonhage is most commonly

O.

Source-film distance fO\.Uld in 'Nhtch of the fo/JoINing

fractures?

E

Exposure time

A. Nasal B. LeFort I C.. Frontal sinus D. Zygomatic ardl E. Zygomalioomaxitary complex

3

,a! Th 18\ El

o

201'l9.

Amen;-an

~Assodatlon. Joint Cc!,'Tlmlsslon OI'! N

_"

d

M_

17.

-

~ ~

)

~m .')W -any

rna

""'""'­

A. 71> A. Catechotamln8s

B.

'S

B Belladonna ancato js

r·

C.

_

...

_D.

D.

O<ganopho""",'

"

18

.

Acul.

13

.

Which

of the folowing bes~ de:

V

Nti

bu-A.

Io

ptasty?

..."""

B

.

~.

A.

Bone is added

to Ihe

..."an1ib!e to augment

t .

neutr.:"

)8r.

a

D

.

Ieuk, its heighl

8.

Os~rtegrated denlBllmplants are placed

F

tymphoc...'!?Sis

to

support prosthesis.

C.

Soft tissue is repositioned In order to

increase the area Ofl which

the

denture may

19

A

JS-year-o j

woman

18S

an

c

ute

dentoaf\teolar

be supported. _{abscess. 'Nhich of the folowtng condilJOOS}

_will

_be

D.

The chin

IS augmented

to

"""00 esthetiCS

_the

_{mostlikefy 10 oompIic:1te l"Ie management of} E. Periodontal tissue is removed from around a

this patient? tooth to establish 8 biologic width.

A. Asthma B. Epilepsy

14.

On

8

new patient's Initial appointment. the dentist C. Chemotherapy

should do which of the following first? D. Hypertension A. Establish rapport

B Inform _{20. Whit;h of !he foltowlng is ~njiC8led to COITect a} C. Gather information

cood" joo )f atropine poisoning ev;deoced by rapid DEvaluate

heart rate, dry mouth and gastrointesbnat inactMty:

15

An

elderly patient has worn a mBl(illary complete _{A. Nicotine} denture against 6 mandibular entenor faeth for an _{B Homafropine} extended period of time In eltsmining the C Epinephrine edentulous mouth of this paUent, "'8 dentist

would

D

.

Piloc:arpwl8

probably see which of the followfng1 E. Pt1ysostigmine

A. Intrusion of the mandibular anterior teeth

B. Flabby ridge (issue in the posterior maxillary _{21. tf a patient suddenly becomes unconsd...)Us during}

.,,"

treatment. the practitioner should immediately

c.

loss of osseous structure In the anterior

assess the patient's maxillary arch

o

Cystic degeneration of the foramina of

the

_{A. airway and pulse.}

anterior palatine nerve _{B. airway and blood pressure}

C. pulse and blood pr8'Ssure o color and pupils.

16 The use of study casb in orthognathic surgery does each of the following EXCEPT one. Which one is the EXCEPTION?

A.

Constructs

splints 8. PerfOlTl"ls model surgery

C. Determines the postoperative occtusion D. Identifies the type of skeletal deformity E. Aids in expaining the surgical procedure to

the patienl

4

0 2009. Anw1cM Dental AI~JoInI COfM'\IIak)n on t.ladonal Dentaf E.un:;In-ions . .&JI"-'~~.

23. Nh'-h d . .

following ".ouIcI

be

performed

first

for

8 coftapsed.". u.'conscious vIdJm of illness

or

8CC jer.1

A. Open the airway

B Establish unresponsiveness C. Establish pulselessness

D. Examine the victim for bleeding and fractures

24.

A patient presents witl1 faaall&cerations thai have Irregular or devitalized wound edges. In eXCising Ihe wound elliptically, a practitioner takes into account each of the following EXCEPT OM. Which is the EXCEPTION?

A..

exciSion Is perpendicular to the natural skin tenSion lines

B. length

to

width ratiO of the exCisklr! is at least 3 to 1

C Excision is done as consetVatively as possrble.

D. The wound is undermined prior to dosure.

25.

Which

of the

foftowing

represent!! the majOr route of excretion of penicillin V?

A. Secretion in the bile end Into the feess

B. Excretion in the urine as inactive metabolites C. Total metabonsm by the fiver and excretion

in the feces

O. SeCllltIon not metabolized in the urine

26.

Which

of the

folowlng

systerruc condibOns lowers

reSistance, impairs healing, and IrlClicates earty use of antibiotics for infections?

A. Vitamin

C

denciency B. Diabetes mellitus

C. Polycythemia lIera

D. SystemiC lupus etythematosus

5

G 2009. AlTlOI"tIn De.1aI ~1OddoR.

Jo

'

c

ik.ene'"

l~

(7"1orN"l'1n'»

"

27

28.

29.

30 31

'" r.,j,....

A.

B.

C.

"

D.

E.

Each of the foftowjng rttara~;~"1S insutin &hock EXCEP'

e

EXCEPTION?

A

Weakness

8. Convulsions C. Mental confu~n

O.

Cold perspiration

An unconscious

patient is

.u.pected

of

havin;

an

obstructed airway.

How

should this patient

be

managed?

A. Protrude the

tonoue.

clear the pharynx,

extend

the nade, and prolrtJde the mandible B.

Extend

the neck, dear the pharynx, protrude

tha tongue, and prolrude the mandible

c.

•

Extend the neck. protrude the mpndiblt;j,

protrude the tongue, end clear the pharym; D Clear the pharynx, extend

the

neck, protrude

the mandibfe, and

protrude

the tongue

A tender swelling

in

the soft tissue of ttl. submandibular mangle Is most

I*.ety

\:Qu$8d by A. lipoma.

B. lymphadenopathy.

C. an obstruction of Stan sen's duct D. an infected thyroglossal duct

cyst

WhiCh of the following is the

least

helpful in determining the anatomical integrity 01 tha temporomandibular joint?

A. Arthrography B. Arthroscopy C. PanOfamiC films

D. Computerized tomography E. Magnetic resonance imaging

32

A (rashly

condensed

Class

II ~am

rest::

tion

n

hal.

defiQent margin at

the

proxtmo;. ;"7:'.":­

cal/OSUrface

angle

This might

A.

AnonvitJW

by which of the following?

B.

Fever

of

unknown origin

C.

A

hlstcty

01

btoedJng

<!',."..,'"

A.

o..

nlgh

tenlng

the

matrix

band

D.

An

undiagnosed ulcer In Iha oral cavfty

8 Neglectlng

to

wedge th

e matrix band

E

.

Pe

l

e

gingiva

wUh •

confirmed

Nstory

01

C'

.

Neg$ectfng

to

cont<M'

the

matrix band

D Using 100

arga an

initial lCf'8ment

of

anemia amalgam

37.

Whleh ~

the

foIowI.ng

.nperties Increases

when

33

Each of

fle

following rneMu~es :3fl

m""1imlze

the Interrnedlale chain

cl •

local

anestheIIc

drug

fractures 01 the maxillary

atvao!ar

proceSS lengt':lenec:f' EXCEPT one. Whidl one Is the EXCEPTlON1

A

.

Potency

8. A/lergenldty A. Use of controOed force when using forceps

C.

Sor.Jbility

in water

end elevator.;

ORate 01 biotransforma'

B

.

Removal of buccal b)ne ami/o

j

HCtioning of

teelh

C. A thorough presurgical analysis and planning

alterations in !he surgical approach 38. Which of the following IS NOT en advantage of

D. Use of the

maKiliary

pmch grasp to detect _{chemical vapor sterilizatiOn?} expansion of the alveolar bone

E. Use of forceps with beaks that grasp

the

A. Cyde I.Ims is short..

roots more finnly 8. II will not char fabrics

C. It will not cause corrosion.

D. There is no need for special ventlialion.

E. Instruments are dry al

the

end of the cycle

34.

Ethyl alcohol is a good antidote

for

methanol

poisoning because

A. it Inhibits methanol metabolism

39.

The

most common cause of fracture at

the

Isthmu$ B. it competes successfully with methanol

fOf

of a Class 11 'es!:walion IS

alcohol dehydrogenase.

C. it prevents fonnation of fOtl'T'8ldehyde. A. delayed amalgam expanskn

O. it prevents d8mitQ8 to !he optic;: n8fVe, B a sharp 8xiO-puipailioe angls.

E.

All

of the above. C. isthmus width

too narrow

D. mctslure contamination of Ihe amatgam during

placement

35

Each of the following nonsedaling antihistamines E. lade:: of Interpro.:omal contact. would be contraindicaled in an individual taking

cimetidine for heRrtburn EXCEPT one. Which one

40 A1veoplasty following closed extraction is usually is the EXCEPTION?

performed WIth A. Aslemizole (HiSmanar®)

A.

a

bur.

B. Diphenhydramine (Benadryr®) _{8. fingers.}

C. Fexofenadine

(A1legra~

C.

a

rongeur.

D. a bone file.

D. Hydroxyzine (Vlstarirl» E. Terfenadine (Seldane®)

41 . The periosteal elevator Is used to do each of the

following EXCEPT one, Which one Is the EXCEPTION?

A Luxate the teeth

8. Retract

the

soft tissue flap

C. Elevate the Interdental papIllae

D. Provide protection

to

the soft tiSsue flap

6

-.oj 0 2009, ArnIM'bn ~ta!AAodaUon. JoInt Commla&Ian on N .. D ... aI E1ta~. AltIgMs . . .

,e lenestr&:~'

taI...'"

llque t (man1ibJ,;.1r Y8$Ubu-

48.

How C"""eS the lr-~ (11 "1, ~~ll ~~)

generaty

I :>pIasty Is b'3:!'ed )n

the

~I,et"'IlIl

'.h.,

'll JC)Sa1

_·ebtl,

I~ tt:ac'lmen I will

A

F<>Iow>

A. not ere-;s the sk:, graft.

9.

p,..,.". .

e.

'101 en • ..J the muoo~1

g

ril

l\.

C

U

nr

ela

ted

c

.

not cross 8 fibrous scar barad. D. Accompa.-'~s ["

\;

3 mint<..

-'l(!

I

n

'-.Io

w

a

red

pc~'Hon by

the

E. Initia!1y II

"ew den

49

Aplas

tic

anemia

;e

8 8ario.1.lf '~xI elfec~ as~~ted

43.

WhIch

of thf:l fc""Wi"lg --epresenlS

.

constitutional

most frequently with wh' ." ~ ~ aha

1')110':.::.10

symptom?

entiblotics'J

A Tinnitus A Streptomyc'n

B. ChiDs B. Tetracycline

c

.

Xerostomia

c

.

ChlorampneniCol

D.

Oyspt'1agta

D. Chlortetracyr;line

44.

Which 01 the fo.lowmg :: the most c:o.:nmonly ~

50.

The therapeutic index of a given drug indicates the surgical procedure to correct maxillary relative

relrognathia?

A

safety.

A C-osteolomy B. potency.

B. Le Fort I osteotomy

C.

efficacy

C.

Inverted L-osteotomy D. duration

D. Anterior maxillary ost90tomy E. solubility.

45.

In

the preauricular approactllo the TMJ.

which

o

r

51

Which

01

the fOllowing flap designs allows the

best

the following anatomic structures. If dtlmaged. surgical access to the apical aspect of a tooth root presents the potential fO(

greatest

motbId!ty

?

wIttI

the least reflection of soft tissue?

A Facial nerve A. Envelope

B. Parotid gland B. Semilunar

c.

Auriculotemporal lerve C. Vertical reSease

D. Superficial temporal vein D. Rotation pedicle

E

Facial artery

52.

Each of the following is a disadvantage of

oral

46 Whfch of the following is mosl clearly ISsodated sedation EXCEPT one. WhICh one Is the

with the appearance of "moon facies" EXCEPTION?

47,

A. Hyperthyroidism

B, Regular corticosteroid

use

C. Diabetes mellitus

D, Pancreatic insufficiency

Osteomyelitis of the mandible is most likely to develop because of

A failure of pus 10 localize. 8. a resistant strain of bacteria C low resistance of the patient

D. lack of drainage from the infected area.

A<

B

c

D.

The administnJlor has little control over the ultimate clinical actions of the drug(s). There can be significant differen~&s in the bioavailabllily of O(sl drugs.

With most oral drugs. there is a relatively ~Iow onset of cliniCAl activity and e prolonged dUnJlion of action.

Oral anxiolytic drugs are elfedive in relieving anxiety in the hours im~iately preceding the dental appointment

7

53.

Wt.'chone

A.

F..JItW1g

out

debris

wfth notTr.'iI

sat'ine

-B

.

Curetting

the

boney

wal

10

promote bIefIding

50

.

A.

B

~

"""".

~

"by~lI>.

aupert;t ,;.;.

"face

then

stlearing the IONs

011

c.

Placing

a sedative dressing

-

n

the

lS<l!O;et '"

protect 8:q)Osed bone

wtIh

a

mono-beveled

chisel •

"he area

Is

D.

Administering

mild anaIgeslc

drugs as en

then smoothed

wlih

a bone

tilo.

adjunct to

klcal

treabnenl

c

Tha

tori

should be removed by grooving the

superior a...mce of

the

torus wfth

a

bur, then

lhear the torus

off

with •

blbeveled

ChiseL

o

'The

Ion ahould

be

removed by Wlserbng •

54.

When IS

the

most appropriate fne 10 permanently

roogeurs veftiCaJ!y Jf1der a

lingua

flap

and modifyfatter the occlusion

of

an aCJte TMD

·,nippmg orr'

the

tori

patient?

A. Dunng the first visit. 'N'hlle the patient has the

57

Which of the

foGowfng

statements

about the flap for acute symptoms

B. Prior

to

initiating splint

therapy.

one week the removal of a palatal torus" COfTect? after !he first visit

A The most optimal flap uses a midline inc::bion

C. Only after the patient Is sympton-free and

which COUrs9S from the papdla between has shown Improvement during splint

teeth 18 end 9 posteriorly

to

the Junction of therapy

O. Never. until definitive orthodontic treatment the hard end soft palates.

B. The most optimal flap is a reflection of the

has been started

entire hard palate mucoperiosteum back. to a Jine between the 2 first molar teeth

C. The most optimal

flap

uses 8 midpalatal

55.

Which of the following besl del\nes the term

inCision that courses from the palatal aspect '1"emporomandibular Disordel"J( _{of tooth tI3 across}

_to

_{ttla palatal aspect of}

tooth'14.

A... A clinical condibon related to dysfunction of

D. The most optimal flap is shaped like a the temporomandibular joint and disk

-doubl.

Y-.

with a midline inQiion and 8. A collective tsrm for a hehtrogenous group

IITlterior and posterior SKie arms extending of musculoskeietal disorders

of

varying

bilaterally from the ends of the midline et)ologies. thai present wtlh similar signs and

incision. symptoms

C. A Clinical condition caused by disharmony

betw88n the occlusal propriOCep!ors and

58.

Which Qf the fonowing statements about mastiCatory muscles

O. A group of clinical conditions that arise from maxillofacial bone grafts is INCORRECT? excessIVe toads being placed on the TM

A. Xenografts are frequently used in mandibular Joints by muscle spasms, resulting in disk

displacement on one or both sides reconstruction.

B. The most common source of autologous bone is the iliac crest.

C. Allogeneic banked bone is often used as a carTier, supplemented with en autogenous

9",ft

D. All example oflsogeneic bone grafling Is transptanting bone marrow in the lreatment of

such

diseases es leukemia

8

02009. Amerk:an Dental Assodlllon-

JotnI

CommlulOn on Nat\on9l ~1aI Ex8rnInnoos Allltphll ruarved

...

-,

- ,

-

.-

-~-

-

-

..

=-

~

Your palie'lt Wltl referred

to

an )raj.,

maxf!Jofaciaf surg«>n

'or

an ~ant•

.xs

you

were

advlMd that

she

wa'i going to ~•

aInuI

•

Procedure

with

placement

01 ..

autogenous bone

graft..

\"J'hat

b

the 1e1InfDon of thai graI

"

The

graft

wr

use an wUflcIaI

•.

bone-!iU

material,

B

The

grar' uses

)008

from ardher

tunan

beir.g.

C. The

grar

US8!I "le petien' 'J

owr.

b "f'Ie, l1kan

from

another

site.

D

_The

gra~ uses

bovI'9

bone, or

bene

&an

another rnlma: G)8(

:es.

A

compo

~te denture patient relIJms

for a

2~O\Jr post-op appointment after insertiOn

e;

new'

dentufll;s. The paliant points 10 • SQf8 .98 on lop of the mandibular ridge crest on the ~tenor right side but no sore spot Is Visually evident. Which of the following is the first procedure the dentIst should perform?

A Reduce the cantlie contacts on all posterior teeth on the right SIde 01 the mandibular denture.

B. Using a large acrylic bur, grossly reduce the internal surface of"'e denture.

C. Reduce all eccentric contacts on

the

right side of the maxillary and mandibular dentures.

D

Apply pressure

IndICator

paste 10 the

internal

surface of

the

mandibular denture and d"Ieck for pressure spots.

E. TeU the paUant this is normal fO( the

first

day of wearing new dentums and 10 return in one week fOf another post-op check.

61 When a patient bites on a hard object on the left mandibular molar, the Interarticular pressure of the right temporomandibular ;oint ~

A. increased.

B. decreased.

C, remains unchanged.

O. varied but it is unpredictable.

12.

Ee:,"1 of

!he

at!:.!

dstIatIQ-IleclTt"":;;-".f correct EXCEPT EXCEPTION? A

a:

tte

patient

Ihould

be

rei

!he sedation

B.

The

patient

lhotId

t­

(85-90

degroe)_

C.

The inttlal

flow

rate

of

oxygen

least

6 Umin

vta

1M M!"ll

O.

As the

now

of

nitrous OXide

IhrcugtI a

dial styfe

unJt ..

h::reased,

the

low

'8ts

oxygen is

reduced,

.so

th"1

:orrec

percentage of ecel'1ls detivered

at

I I II't:'

flow

rate,

63.

Ead'l

of the follovAng .. a eom"'l'lOr'l causa

d

postsurgical atelectasis (daaeased ~nsionc;1 the alveoli) EXCEPT one. Which one

is

the EXCEPTION?

A. ShallOw inspirations B. Pain.-lirniting movement C. InactiVity after surgery

O. Preoperative respiratory Inf&dlon E. Narcotic analgesic thai depress the

respiratory dnve

64. Cavity liners should havs a minr-nal lhidcness

01

A.

1

mm.

B. 1.5 mm. C. 15 mm D. 125 nun,

65 Each of the following statements is correct regarding phenytOin EXCEPT

one.

Which one

is

the EXCEPTION?

A Causes gIngIval hyperpIesia

B Corrects certain cardIac dysmythmias

C. Is ineffective when administered orally O. Causes toxic effects related to the

cerebellum and vestibular system

E. Exerts anUseizure activity at doses which do

not

cause general CNS depression

9

66

A properly

uecuted

poAtrIor.Il'">Mor

etveotar

71

..,8fV8

block

wII

.neslhetlze each of :he

'")now\ng

<II

Uructures

EXCEPT one.

Wti.-:h

one ,

the

EXCEp...ON? A.

Brad"i'

8. Renal

IL Maxftttry

ainu,

membrane In

the

It1'JIar

C.

Atrial &&dlyca

"",;on

D. Atrial

fibriIlatiOI.

B..

Second and

thlrd

mOlar

teeth

and •

ponton

Venlrlcular

fibtlliatJon

of

the

first

molar

tooth

".. Buccal afveo!ar bone,lOft tissue

and

periodontium In the poslenor rnadla

72.

Each 0;

-.he 'dI7Nt-g '81'fi

-lib., • O.

Soft

palate

mucosa

on

the sid,

01

!he

_{orai sedation I;XC}

_PT

_wn

injedion

_EXCEPTION

A.

Need

fof'

spe' :i~ed

training

~

equipment

67. 'Which areas shoc-j

be

avoided

t)l en iM Irj«;tion

8

.

HIgh

Inddence

and

I8V8rily of

ad'¥8I'M

before a

child

can

walk?

reactions

c.

Erratic

and

incomplete ab3orpdon of drugs

A Gluteal muscles

from

the GI

tract

8. Ventrogluteal

o

Shoo dUl'illton of action

C. Vastus lateralis

D. Deltoid area

73. The depth of light penetration lnto the tooth or restoration before it

is

reflocled

outward

Is the 68. Adrenal insuffiCiency during major stress results in

A. metamerism

A. gingival hyperplasia B degree of translucency.

8.

cardiovascular collapse.

C.

color perception

C hypotenston. D. value.

D.

ketoacidosis.

74, In young patient!. stains ara uSiJCIUy "TIOI'8

69. A

patient that is having general anesthesia using prominent in which areas of the teeth

an rv

barbiturate rapkfly passes through

A. inCisal

A.

Stage

I. B.

O<:du",'

B.

Stage

II C Cervic::l1

C.

Stage

111.

o

Facial

D.

Stage IV.

75

The character and individuality of teeth Bre largely

70

Which of the following antibiotics has been detennined by implicated in the vast majonty of cases of orel

contraceptive failure during enlibioUc use? A. translucency.

B. surface lexture. A. Penicillin C. color. B. Rifampin

o

shape. C. Keflex D. Erythromycin E. Tetracycline

'antage

.,1

!he

10

02009. ArnIdcan Del'\" !!Ion. JoInt

CommIssIon

on NatIoMI D.-t.:Jl EnmJnationl. All otgh's 1'eSefWd.

16.

has

h~ ~s

whICh

d

"'le

I:){Iowfng?

A

When

Ihe

~entll'

enten

the

cpentlOJ'y.

the

patlen

who

ls~:t"", -,;,f"''':e,

stands

dose

b

1"18

Me

to

_

Sld iliooking

at

IN

ftoor.

The

denIlst shoukl inlD c:ornmunIcatiOn by

uytI

lars

get going,

I've

got

a

tit

10 do_

B

.

What

ate

you

angry

about?

C.

Didn't

my

assIitant

get

you .ated?

D_ You seem uncomfortable;

did

you I'\ave a

bad

dental experience?

S.

'''. I'm

O~'")I' WI ~-n, \If."'_'""It brhg:""

you here

'ad

77 Whkh

of the fo..~ ~~Is 'he

lubstiMe

of

d10ice V panic':!

1 , ~

pen

:cillln.-sensibve

patient?

A. Cephalexln B Erythromycin C. Tetracydine

D Clindamycin

78 The

phenomenon

whereby various

~gi'lt

sources

produce different percepdons of color is called A.

fluorescence.

B. incandescence_ C. opalescence.

D. translucency. E metamerism.

79 A4-year-old chikl

has a

history of frequent spontaneous pain In a pnmary mandibular

I8COOd

molar. This molar has 8 necrotic pulp. 'Which of the

lowing represents the treatment of ChOICe?

A

Pulpectomy

B. Pulpotomy

C. Extraction

D. Pulp cap

80. Which of tha following is an outstanding advantage of phenytOin over phenobarbital in the treatment of

grand mal epilepsy?

A. Exerts less sedation for a given degree of motor cortex depression

B. Is effective In a greater percentage of cases C. Needs to be gtven much less frequently D. Does not cause gastric distress

E. Has a longer duratiOn of ection

. ,

The

JC...~­

""~

;t>'lIT

A

d(..es n:tt'll B.

has •

k:lnger dur_~ C. Is eflec1ve aralns!

O.

prod.Jces .... sedalWn ror

mota..

~"1ex 1eprt"

82. The

main

lundion of

the

.1.

useQ

in a

casting

ring

I

s

to

A.

provide venti.

-.g of Ihe

moId_

B help prevent stvtnkage poro:iity. C. pro..'lde easy divesting

oIlhe

casting.

D.

prOVide

addilional water 10 ~invutment

m"'­

E.

allOw uniform and Uninhibited setting

expansion of the Investment.

83, The use of e rubber dam is conSidered an essen~al component ofendodonbc

armamentartu.

Exception to its

usa

in

a

given

situation

is

acx:eptable If the patient is infom1ed and consents.

A Both statements are true. B. Both statements are false_

C. The timl statement Is true, the second is

false.

0, The first statement is false, the second i'S

true

84 The Occupational Safety and Health

Administrabon's (OSHA) -Sloodbome Pathogens

Standard" deals with each of the following EXCEPT one. Which one is the EXCEPnON1

A, Disposal of medical waste

8_

Exposure Control Plan

C_ Hepatitis B vaccination

D. Instrument sterilization and Morage

E.

Material Safely Data Sheets (MSDS)

11

I

8S. A

2O-year-dd patient presents

wt1h

en

upper

maxtllary centtallncfsot

prevtcusly

traated

tot

endodontic

Iractutee at the

feo.IeI

01

the

alveolar

crest..

WhIch

af the

Iof\owtng "'PfHenls

the

IIrst

necessary ltep.", I'fltore .n'1lTt1~

_.

IN

tooth"

A.

0 _

extrude remaining

IDOth

structn

8.

Extract

rernall'*l0

1:JOth

r.u:-iur.

C. Fabricate FPC OVet

the

remaining

root

O.

FabN'-Bte RPO

over the

remalrVng

rool

86

Shrinkage porOSity

In

a gold

_'9

_is

_assocfated

..ttl

A

the

use

01

excessive nux

,

e.

the use

of

no nux

C. sprue diameter. D. alloy oxidation

E.

excessive burnout time.

87. WhICh of the folloWIng is an acronym fOf a nlaOl.eting slratsgy to use for reluctant paDents7

A. SUCCESS

8. RECRUIT

C. OPTIMEM

D_ EIEIO

88.

Spontaneous QlngivaJ

hemorrhage

0' acute

stomatitis. observed In a pedi8bic patient und8f treatment for absence seizures, indicates

withdrawal of which of the fol.lowi"lg 8flllCQl'l'4'uisant drugs? A Phenytoin B. Ethosuximide e GarbalTlllZepine D. Phenobarbital E. Valproic acid

89. Which of the foUowing drugs is most likely to cause convulsions ...men a phYSIcally dependent pe~n is withdrawn?

A. Pentobarbital

(Nembuta~

B Diazepam (VeliumS ) C, Hydroxyzine (Vistanfll» D. ChlOl'8I hydrate (Noctece, E. Chlorzoxazone (Parafon Forte®)

80.

Bad<

A.

':""; ;ame ~;~ ,;;"~

gas

pcroIity.

.­

.•

wax

pattern

II

the

open ~ >g

D.

~ften

evlden

ced

by

rounded nwgIns an

Of tt-e

the

<osting.

E.

::he aam8 as w---..k-back

porosity.

91

WhktI

01

the following explains why.

property

designed

rest on the

lingual

surface

of

a

c:anbt is

preferred to •

property

designed !'VII on the incisal

surface?

A

The

enamel IS thicker on

the

Ingual turfaca.

B. Less ",wrage Is exerted against the tooth by the lingual rest.

C. The visibility of, 85 welll!!!!1 access

to..

the lingual surface is better

D. The Cingulum of the canine provides 8 natural sulface for

the

recess

92. The most potent antitubercular Clrug

Is

A. IsoniaZid.

B.

vancomyCIn.

C. trimethopnm. O. sutfamethoxazole.

93

.

The

main metabolite of r"lgast9d

Isopropyt

aloohol

os

A. urea. B. acetorle. C. methanol.. O. acetaldehyde. E. formaldehyde

94. At the try-in appointment for a 3-unit posterior

90td

FPO, the proximal contacts. fil, ocdusion, contour. and surface finish have been determined

to

be

acceptable. Which of

the

folloWing represents what step is accomplished next with this FPO?

A. Soldering Index B. Copalite preparations C. Temporary cementation O. MIX ZinC phosphate cement

o

2009. ~Dental AnodIilbn. Jc*d ~

oro

National Dental EQwl• •lloClS. AI. tIgt1D f8IIItYId.

f

~

-

-

­

02009.

...,.,.can

.MltaI AsSQdatJon.

Jdnl

Cc:JrM"IIsIkIn

on

NfI'l Of"'11 M:::::a:ii¥

e:=••

A,_"· - ...

12

L:arger

""i;)ndan

_'raffy

_.p

_'lIe;j

conde;

_'e8$

_ere

_reccmmen

_jed

_to

_c

_~

comfi_"3tl

'ensati)n

at .-tl

;h ~

tie

tclloW'"";lg

BlMlgam

.p..

Admixed

B.

Sphencal

C.

lathe-ct

o

HiglH:oppe:o E Conventio

96.

Proposed modes ;:,

~

ac"")(1' 'Ir the o..J antidiabetic

agents include t;::~.h of tt,e j.;:'lwfng EXCEPT one.

Whictl

one is the EXCEPTION',

A­ _{Blockade of glucagon rele~e from pancreas} B _{BlOCkade of cateeholam",e release from}

adrenal medulla

c

Stimulat'''n of Insulin reiease from pancreatic beta cEMls

o

Action

as direct receptor 890n;'1$ for

the

insulin receptor

E. Increase affinity of ti$Sues for utilization of available plasma glUcose

97

Compressing the acrylic resin in a rubbery st8ge WIll probably result in

A. an open bite or open pin. B. porosity of the finished acrylic C _{incomplete filling of the mold} detail~

D. _{large amounts of excess thai is difficun}

_to

trim.

98.

_{Which of the follOwing statements conceming ethyl}

akxlpol is true?

A It produces a

true

stimulation of the central nervous system.

B. It protects individuals against exposure to cold by preventing heat loss.

C. It is metabolized primarily by the lungs. D. It is partially absorbed in the stomach. E. It possesses anticholinergic propertIes

99. The most likely cause of failure In the pre-ceramic soldering technjque is

A underhealing the parts to be jOined. 8. overheating the parts to be jojned. C. using an jncompatible solder. O. using phosphate 8S the sOldering

investment.

E. preheating the soldering assembly.

13

o

2009. Amitfr;an o.ntaIAMoc::IaIbl, JoInt

Comm

,

100.

_{t .}

_{t"tmP"'!f"9t.ure, l"ie rlC"Js}

cydo

A.

S' prevent boiling of the

monom::-

.

C. prevent breakdowr1 ...

D. volatilize

the

I:tydl

101

Ak:choIc

eup.'lor1a results

from

A.

inaeased activit', of

the

~

8. increased activity of thaJam·~ BrBes

C. increased activity of

limbic

synaJ)H&.

D.

decreased activity of medullary centers.

E, removal of tie inhibJtory effect

)t

the cortex,

102.

The

portion of 8n

artificial

tooth U\at

is

found

only

in

porcelain anterior teeth i5 A the pin.

B. the collar.

c.

the finish line. D. the diatonc. E. None of above

103

.

The

tasting shrinkage of CObalt-chromium alloys is approximately

A. 1.25%. B. 1.75%. C. 2.2%. D. 3.2%.

104 Whjch of the

~Jowing

Is

a di$advantage of glass iooomer cement?

A. Difficulty in miXing B. Irritation of the pulp

c.

low bond strength to denbn D. _{Moisture sensitivity duting initial set}

105.

Which of the following wilt result when USlOg a thinner mix of a gypsum-bonded casting investment?

A.

Produce a smoother casting 8. Increase setting expansion C. Decrease setting expansion D. Increase thermal expansion

E. Decrease required bum-Qut tempel1lture

ebee"

...

Porphyromona.

g\ngMIIs,

Ec~_IP

.

and Campylobaeter recta

B.

Sroptococ:<:us _ " ' .

snp;"'_"<CUS

mutBns.

and Oemel1a sp

C.

L8dobacmus

cnet

end

VeIUonefta

ap.

D

Strept.ococcus mitior. StreptococC1J3

gordonD.

and Bacteroides graOlis

107

The base

01

the Inctslon

in the

gingivectomy tedmique is kJc.;Iled

A. ~n the allfeotar mucosa S, al the mueogingival Junction.

C above the mU~9Na1I\1OCtIorI

0, ooronalto!he periodontal poc:kel

E. at the !eve{ oll\e cementoenamef )undion

108

WhIc:h

of the foIowing Is the mosllmportanlladDf affecting pulpal response?

A. Heat

B.

Depth to which

dendnalllJbu&es are

cut C. Desiccation

D. Invasion of bacteria

109

Primary herpebe gingIVostomatitis

is most'ke'Y

to occur irI whICh

of

the follOwing

age

groups? A. 1-5

years

B. 6-10 years

C.

11-15

years

D

16-20

years

E.

2'-25

years

110. Which of the foMowing filling materialS is Jeast desirable

fOf

use as Prevenbve R~sin Restoration? A. MtcroliUed resin

B, Amalgam

C, Hybrid resin

O. Glass ionomer

111. Each of the following osseous defects would be classified as Infra bony EXCEPT one Which one is the EXCEPTION?

A A trough B. A dehiscence

C. A hemlseplum

D. All interdental crater

112

113.

8.

PT'

I"lFae~~VI

...

B.

C.

D.

~rem.In

on

the

'""-

rnott

rnportant antic.Jagillanl

enect of

heparin

.. to

k'4erfer'9

with

the

conversion of

A.

PTAIoPT

C.

fibrinogen 10

fi

0, prothrombin to Ihrunbin E. proaccelerin to

w:ceIer1

11•.

Dental phobJa, era

very

hard

10

c:! "';,ate because

they

A.

are

ego-syntonic. B

cannot be seen.

C. becQme habitual

D.

ara self..rainfotdng

115

Which of the following d~lbes a matenal with high compressive strength but low tensile strength?

A.

Resilient

B.

Brittle C. Ductile

D.

MaDeabte

116.

The Occupational Safety and fiealth Administration (OSHA)

is

concerned wtth regulated waste within the office.

OSHA regulates the transportation of waste from the omee.

A. Both statements are true. 8, Both statements are false.

C, The fiT'J1 statement is true. the second Is false

D.

The

first

statement

Is

false, the second Is

""e.

117, One can aC(elerate

the

setting time of zinc oxide­ eugenol impression pastes by adding a small amount of A water B. glycerin. C. petrolatum. 0, plaster of paris.

14

e

2009,

AIrIerlC.n

Dental

AuociaBn, Joint ::mrrisslon Dn NallQnat o.tItiJI

Examlnalkina

.

AI ftghb reHf'IId.

..

~

1

...

t18.

What.

hr4

den~1

.n

A.

8.

o

&4,

4!>-50

119.

A

patient works 8t.a

nudear

power

pAInt

He,.

i'eQuently exposed

10 II

small amounl ef ndiation,

arttDJgh

the

dose

he

r9CeiYes is

below

!he

occupetionallimits. Which

of

ttt.

foIJowfng

beat

explasns wt1y Itua patHylt

Med

'lOt wear his

,.n'Iployee film badge

while

he ts

'laVing

dental radiographs made?

A His badge records only gamma.radfatJon,

not x ray9.

e His film badge must be used only to

measure occupatonal doses

t.

It is unlikely that the currenl

dose ...

in rise above his occupatiooallirnil

o The

dose

from the dental radiographs is too low to be measured 8COJraiely by Ihe badge

120. A 5-year--01d child has a posterior unilateral crossbile that is accompanied by a functional shift

of the mandible. When should this crossbi!e

be

t':Orrected?

A. Immediately, without wailing

fO(

the eruption of permanent first molars

S,

VVhen

all the primary teeth have exfoliated C. After the permanent first molars have fully

erupted

D. When

the

chi.1d is approximately 9 years 01 age

121. When determining the appropnate dose of systemic nuorlde supplement for

a

d'lild, it

Is

most important for the dentist to consider which of the following?

A. The fluoride contant of the drinking water

B. The child's diet and caries activity

C. The child's age and the fluoride conlent of the drinking water

D. The child's weight and the fluoride content of

the drinking watsr

122. The

";frug of ~ IInddeore~=,ts A.

B.

C"

123.

CI1iortc""<y

A. catl wal synlhesIs.

B.

IWJdeic

acid .yn~::-..

C, protein syn"e-sis on )..-t:"If1~1 but n:1

mammaHan

rib(l~

nes.

D.

protein synthesis on mam

_!

,In

but

bacterial ribosome •.

124. The toxic impurity that can tt'leore'

_''1

_be

_found

_in

nitrous oxide gas Is

A ozone.

B. helIum.

C.

methane. D. nitric oxide,

E cyclopropane,

125 How many hours per day should a cervical pull headgear be wom to achieve the most etf&etive results? A. 6 B. 8

C

10

D. 12

E

.

14

126. Drug intaraction resulting In

aeriou5

adverse cardiovascular events. induding death, might CICeU(

between erythromycin and wh.ch of the following antihistamine drugs? A. Tertenadine (Seldane®) B. Promethazine {Phenergan'1 C, HydroXyzine (Atarax®) D. Diphenhydramine {Benadryl®j E, Chlorpheniramine (ChIo(.Tr.neton~

15

o

2~

-. ....

aI Auooation. Joint _{0en1a1 ~arr:'"\etlOlil} All rlgt!b r__ wed.

-

-

----127

"'"

A. removing ....

_.IhOn""'~

....

area with

BAL

8.

scrubbing U,e Spill area

WIth

hot

water and

detergent

C.

sweeping

up

ttn nerr.wy end

CS

iapoaing

of

iI

In a p

laStic bag.

D. aspirating the mercury into. wash

bottIa

trap.

then dusting the !pi!1area

with

sulfW' powder

128

_{The concentration of}

_which

_{of the fOUowtng kml} determines

the

binding atrinity

of

agon'SIS

end

antagonists to the opioid facepto."'1 A. Sodium

B. Calcium C. Chlonde O. Potassium

E.

Phosphate

129.

_{In communicating WIth children, ... hich of}

_the

following should the dental team do?

A.. Allow the parent to ans... er QIJ8Sbons asked by the child at chairside

B. Allow both the parent and the dentist to

communicate Simultaneously wUh the child C. Transmit word substitutes tor dental

procedures and equipment during the appointment

D. Attain voice control to buid the groundwork

for future Instructions

130. A

prescription

includes

each

of

the

folloWIng parts EXCEPT one. Whk.tt one is !he EXCEPTION?

A SUper3aiption B. Inscription

c.

Subscription

D.

Transcription

E.

_Conscription

131

_{Inhalation of amyl nitrile can result in each of the} followtng EXCEPT ooe. Which is

the

EXCEPTION?

A. Tachycardia

B. Coronary artery dilation C. Peripheral artenolar dilation

D.

A

decrease in arterial blOod pressure

E.

Inaeased rnoWity of

the

small bowel

132.

Which

of the

foftowtng

t'")~

...,

'JHCl'~ ~

.... do$ogo

01.

dNg

1

A

Clar1(. rule

8.

Vltat

signs

C.

BOdy

surface area

D. Body weight (malkol

13

3

_WhIch

_of

_!he

1-::.-,

_'ymproms

_II

_{!he most}

dislina I :haractensb: of n ~"lIne

poisonlna

A.

Comatose sieep

B. Pin-point pu~ s

C. Depr8$sed respiration D. Deep.

raPid

respiration

E

.

Widefy

-'1i/ated,

non-re

9pOflSiv.e

JXlpIa

134.

_{In addition to}

_the

_{treatment..,t epilepsy, phenytoin}

may

be

Indicated

10'

!he lre.$lment 0.1 A. arrhythmfa.

B. narcolepsy. C. hypertension

D

.

SChiZophrenia

E. panic

att<x:ks

.

135. Which of the fonowing drugs is commonly used in

the treatment of congestive heart fwlure7

A. PhenytOin

B. Digitalis C. Quinidine O. ProcainarnJde

E. Nitrogtycerin

136. The mechanism of action of the mtlSde relaxation induced by diazepam most clearly resembles that produced by A. d.tubocuranne. B. meprobamate. C. Succinylcholine. D. decamethonium.

E.

gallamine.

137

_{What percent of the blood alcohol leve' is the most} likely 10 produce a lethal effect '" 50 per cent of the

population? A.

0.05%

B.

0.10%

C

.

0.20%

D.

0.30%

E.

0.50%

16

o 2OIJ9. America

n

Dellllll

Aasociation,

Joint

CornmIaaIon

on

Nallonal Deoal

~

AJ rIghts-...ed.

_ . _ _--...-. ...--- - - - _ . . , 4 • • • _ _ . . _

~

..

.;:;:;

....

:::::;

..-..

-.;,-

:="

.;

:;:;

·....

;::.

,"

,:=---

,",;

~·

;:;

;;;c

::

--

-=::=-

::

::::::

;:::::~~

~~

..

~

~

~:-;

-:

=

:

,-

::

::::

"

-~::::::

.-::~~

----

::

...

::

-=

:::

..

::

----:::::...

::::::

­

Prolonged

use

,yl feU[

WI

A

epta

s

tic..snemia

.

S.

It'Irombocytopenia

C.

graoolocytc

P

" ' .

o

m

elh

emoglo

b

tnemla

E. hypoprothromblllefTlla

139

The t

h

;

nnest

P')I'tiorI

e!

I"'1e

wax

pattern sho-JId be

Placed

A against the

rnq

'or 3Upport.

B.

in

tile deepest pan

01

d'le ring

C. opposite the d irectiorl of rt ation of the

casting arm.

D. in the same dire<: :~r! as the rotation of the

casting arm.

140. Which of the following statements is V9

concerning anticholinesterase?

A. Agents such 35 DEP Inhibit only plasma

cholinesterase.

B. Organophosphates ars readily absorbed

through the skin.

C. Agents may cause paroxysmal supraven­

tricular tachycardia.

O. Reactivators such as 2-PAM reactivate

ACHE wIlich has undergone -aging",

E. Alkaloid physostigmine has the grealesi

number of side effects unrelated to ACHE inhibition.

141

in developing a canine-protected articulation where

the anterior vertical overlap IS determined to be

less than 2 mm, the pestanar cusp height should

be kept shallow because the buccal cusps of the

postenor teeth will have to assist in protrusive discluslon.

A. Both the statement and the reason are

correct and related.

B. Both the statement and the reason

are

correct but NOT related.

C. The statement is correct but the reason is

NOT.

D. The statement is NOT correct. but the

reason is correct.

E. NEITHER the statement NOR the reason is

oorrect

14.

_{~ best}

_desc::ribOe

_~

_~"'~.

A.

₁

removeble •.

'"

e

Limited orthodon _J tre: ,tme-":~ I) B~.Jn

tont

teeth for maxm.::...-n .Sth6:....:J

c

OrU"lodontic

treatment

lID

enhance reiterattve

and

periodontal rehabiUtation

o

Early treatment

of

onhodondc probfems

prevent more

sertous

malocdusion

143 W

hich

of

the

follOWi.19

drug

9fOl')S Is

'OO'8fltJy

Ihe

mainstay of treatment in depressive

psychoneurotic disease?

A. Amphetamines

B. Phenothiazines

C. Benzodiazepines

D. Monoamine oxidase inhibitors

E. Tricyclic (imipramine-like) antidepressants

144

Each of the following is a symptom of poisoning by an organophosphate insecticide EXCEPT one. Which one is the EXCEPTION?

A. Diarrhea

B. Hot, dry skin

C. Excessive salivation

D. Inaeased lacrimation

E. Skeletal muscle fasciculation

145.

Oigita~s should be given

to

patients with atrial

fibnJlation who require qUinidine to avoid

A.

hypokalemia.

B. thromboembolism

C. sino-atrial bradycardia.

D. ventricular tachyantlythmlas.

E. prolongation of P-R interval of the ECG.

146.

The presence of

Ag

in metal·ceramic aHoys

contributes to which of the following?

A. Increases melting temperature

B. Increases aHoy strength

C. Increases aUoy corrosion resistance

O. May cause green discoloration of the

porcelain

17

e

2009. American Denial Astoditlo!1- JoInI Comtn! on N~ 'AI Ge.1lBl Elo I.,.; lion I~ l ipl

-

-

-1

4

7 Hovt1g

had . _ '... radlcg<aphlc

₁₅₁

_"':le

following

monlhs ago,

In

asymp1Oii1atlc

edtlIl

patient

p

resent3 for II recaH

appointment

.

There It. III

A.

;linlcal evidence of carles 0/' periodontal disease B

The United States F(lod and

Drug

Admlnlstnt!lon

C

wou

ld

r

ecom

mend

wi";

:h

o~

.".

'olkT:.~

-.g

for

this

D

ad

u

lt?

_E

_.

A. No

oadiognophs

B

.

8ite-wing radiograptw Criy

15

2

.

Eacho/""~phatmaQ;

...

_­

C. Panoramic radiograph only produeed by

ettaD

E:X(,"-"" ,

_

.... is

D.

Panoramic

and

bit&-'Mng

~ the EXCEPTlO

E

F

uI-mou1h

survey

Inducting

~

A.

ow-I

.

noofiogrnp'"

B. eNS depression

c

.

Enzyme .na-

d

on

148

_When

_high

_{gold con}

_te

_{nt aOoys are}

_eom

_p

_,:

_mkf

to

_{D. Cutaneous VBSOConstnction} base metal alloyS, the base m"1tal nlloys exhibit

_E.

_{.ncreased gastric acid MCretion}

A

.

a higher melting point. increased apeciflc

gravity, and generally tHgher YIeld strength ₁₅₃

_The

_{cardiac glycosldes will reduce the}

end hardness _{ooncentralion of whld1}

_Ion

_{IfI en active heart}

B

a higher melling point, decreased specific muscle cell? gravity, and generally higher

yield

str8"'lgth

and hardness A Sodium

c

II higher melting point. generally higher yield

8.

Calcium

strength and hardness. and more consistent

c.

ChlOlide

bonding to porcelain.

o.

Potassium

E.

o.

increased specific graVIty. genemlly lower Magnesium yield strength. and more coosistenl bonding

to porcelain.

154. Which of the following anllhypertensive agents acts

E. decreased Specific gravity, generally higher

directly on arterial smooth muse·8

to

cause

yield

strength and hardness, and more

vasodilation?

conSIstent bonding to porcelain.

A Methyldopa {Atdorl18A

149.. The central skeletal musde relaxation produced by _{8. Cionidine {Catapres~}

depnlssing the potysynaptic reflex arcs is brought

C. Guanethidine

(1sl1"\el)1

e,

about by al of the folowlng irvgs EXCEP"

D Metoprolol (lopre$$O~

A. diazepam

'Vafium~.

E. Hydralazine (Apresolnee,

B. klrazepam (Alivan®).

C. meprobamate {EQuani~

155.

_The

_{combination of a Schedule II narootiC} W1th an

D. d-tubocuraJine (Tubarine~. anlipsydlotic drug produces which of the follOwing?

150. Which of the following statements best describes

A.

Neuroleptic analgesia

why

l-dopa

eventually

becomes

ineffective in the

B.

Conscious sedation treatment of Parkinson's disease? C Dissociative anestheSia

o

Psychotomimetic analgesia

A. _{L-dopa ab5Orption slows with aging.}

S.

_Dopa

decarboxylase activity Increases with

age. 156. Which of the following drugs is excreted primarily

c

.

Dietary intake

ot

pyridoxine speeds L-dopa by renal tubular secretion? metabolism.

A. Benzylpenicillin

o.

Patients

graduany develop tolerance

B. Streptomycin because L-dopa Inducss iver enzyme

C. Tetracydine

"""'Iy.

D. Bacitradn

E

.

Neuronal cell k)ss In

the

substantia nigra is

E

.

Polymyxin

progressive and continuoos over the course of the disease.

18

0 2009.

American o.na.IAuoda'

_..ICint

_CommIssk:In

on

Natlonill OWBI

Euminellotts •. .AJI r1lhtI ...

~

j

,

... 1

~.

,..,

_"

₆₂

_.

_{~n pur.::~}

of

wtml

Poo"den·.~78 retention

Ina-eased InteroeCluaal

ifi.tahce

Drooping

fJllh

e

c:ornen

of

the

Crea

$8S

and wrln

klt

s around

the )ips

'

rauma

10

tJndertyfng

supporting tissues

.".

• patient, the Clanlistattempts

_

ThIs.'

A­

eut>no-'y.

B

I;Onlpele:

C

mal

e

f'Jc:wlCl.

o

paterna:

158

'IItIich

at

Jle foIowtng

re;ftSents

the

cause

of

₁

₆₃

_.

_When

₅₀

_mg.

_of

_{ch'~piorn8ztne}

_{(Thora...-'":".:'!"") ..}

death

in

poisoning

from an ~

_admtni

_sletad

_10.

_pa

_tlant,

_{(Xl S~}

_the

_patient

an!Ic:hofl1lesterase,

such

8S

cfisoprop

ytftuoo.

_{might experience a}

_t

_al

_fp

_blood

_preSlUl8

_{due to}

roph"lSphate"

_whid1

₀₁

_the

_following

_?

A Cardiac failure,

resulting

from excessfve _{A. Anticholinergic action} vagal stimulation _{B. Decrease in heart rate} B, Dehydration, resulting from hypermOllhty of _{C. Alpha-adrenergic blockade}

the gastrointestinal

tract

_D

_.

_Negative

_Inotropi

_c

_adlon

C

.

Asphyxia. resulting from increased airway

_E

_.

_{Stimulation of autoncmlC gangl.s} resistance

D. Respiratory failure. resulting from paralysis

of the intercostals and the diaphragm

164 Which

of the

foiiow1ng

repr$$8flts an

E, Central nervous system depression, amphetamine-like drug that is widely used in

t

he

following prolonged excitation treatment of hyperkinet1c cl1':[jren?

A.

Doxaprnm (Dopmm®) 159. Treatment With sulfonamides Is less likely to be

B.

HydrOXYZine

(Atarax~

eccompanied by crystalluria if

C. Theophylline (Theobi<J®) A. a mixture of sUlfonamides Is used. _{O. Methylphenidate (Ritahn~} B. cortisone is administered concurrently.

C.

probenecid Is adminiStered concurrendy,

D. the urine is acidified ...th ammonium 165. Metabolism of a drug will ~I'Y reSUl~ !f!

chloride. _{conversion to each of the following EXCEPT one.}

E.

para-aminosalicylic

&cid

is administered

_Which

_{one is the EXCEPTION?} concurrently

A. lnacttve fonn

B. MOfe active compound 160

VVhich

of the fOllowing is

the

most common reason

_C

_,

Less active compound

for a cast crown not

to

seat on a patienrs tooth? D. Mora water-soluble compound

E.

Less ionized compound A. Overextended margms

B Excessl\le proximal contact

C. Undercut areas on the preparation 166. The disk sensitivity assay for anllbJovc activity Is D. Casting too wide b\.lCCO-linguany used because

E.

Porosity within the Inner surface of the

crown A. the results are obtainable in a few minutes. B. it distinguishes between bacteriostatic end

bactericidal drugs.

161 .

Loss of a primary right molar in a 3-year-old child _{C. it indicates whether 01' not an antibiotic has}

rsquires placement of a _{good ora! absorption.}

D. it allows for routine Iestll'1g

of

sensitivity to a

A band and

loop

_{range of anbbiobcs.}

B. distal shoe

C. removable acrylic appliance D. None of the above

19

167

Whtch

of.

1he

~wing agents ~.

1M

dectiYe

₁₇₃

ptOduCing

toptcat

M~·

...

Totra_ol-'e.

A. Peptostrepl~'

IPP.

B

Badaroides

spp

B

BuI3ca1n.~

Candida

aIbica

C

Procaine

INovocalnef:)

_n

_{Streptococcus}

_mutans,

o

Udoealne (Xytocalne4P)

E.

p -

oeNgIno<a

E

Bonzocalno

174.

Which

of the

fonowing

analgeSICs can be given

163

Whfth

of the following routes

cI

edmi

:s

t"1tion

eiiher 0f8fIy or by IntramUSClMar

ir4edJon?

el4l\bits the slowest rate of absorp ,1

A. Aspirin

A. Oral _{B. Acetaminophen}

_{TyI~

8.

Sublingual

C. Ibuprofen {Motrinl \

MY:"

C

Subcutaneous

O.

Intramusculer

O.

Ketorolac

(ToradofP>l

E. Naproxen (Naprosyne,

AIeve~

169.

Which of the following

sedatives Is most

likely to

cause a dry mouth?

175.

A

cast gold restorabon might be

mdlcated

for the

replacement

of

a faulty amalgam

to

obtain

A.

BuSpirone (8uSpa,®)

A..

better

margins

B.

Hydroxyzine (VistanfS')

B. more ideal contours. C. Chloral hydrate

(Noct~

_{C. less trauma to the pulp} D. Phenobarbital (LuminaJ®)

O.

less removal of tooth structure. 170. Barbiturates taken in combination

with

very high 176. During

a soldering

procedure. nux serves to

doses of ethanol exhibit an interaclion best

described as which

o.

the following? A. provide en oxi ji2ing envirorvnent

in

the area

to be soldered.

A. Potentiatk>n B. displace gases and dlssotve con'OSion

B. Protain bumping products

c.

NegatJve synergism

C.

remove any debrts that may remain in the

D. Competitive Inhibition

area

to be soldered.

E. Enterohepatic orcutation O. hold the solder In ptace during heaong.

171. Which of the folowing erythromyctna is both

177

Excessive heating

01

the 8Ct)'IIc resin duMg

entenc coated and long

acting?

processing shOUld be

S'lok»d

to

prevent

A.

ERYC

A. exothermic heat blAldup.

B. E.E.S

B

acrylic resin shrinkage

c.

Erythroan

c.

evaporation

of the

monomer.

D.

llosone

O.

excessive

acrylic

resin expansK)n

E

discoloration of the

acryflc resin.

172. Each of the following is 8 characteristic of !ramada!

178. Following compression of acrylic into the denture

(Ultram~ EXCEPT one. Which one

is the

flasks,

placing

the

flasks

into

the processing

tanks EXCEPTION?

at curing temperature Is delayed

to

A. Centrally acting analgesic

A. assure complete now of acrylic into the mold. B Structurally similar to morphine

C

Binds to the mu-opioid receptor B allow the monomer to permeate all polymer

crystals.

D.

Biouansformed into a more active metabolite

c.

establish an equalized and unifonn pressure

E.

Inhibits uptake of norepinephrine and

in the molds.

serotonin

D. allow the flasks and the aaytic to reach a stable temperature.

20

02009.

Amertc8ii DentldANodat.ioo,

~Conll'daion Of" I,., .r"\8J [)oil I.0Il ExamlnalJona. Aldgt1t3 ~

=

r

ICase

A

#'s

179-1871

84

.

.

>

A.

r~'

..

.,1I _{The plaques on this Pillient's lower 3b1al mucosa}

_9.

most lil<ely represent which of the foBowtng1

C.

O

.

A leukoplakia restore root ca;

B Nicotinic stomatitis E. No Ireat""nent

I'!

C Chromc lip chewing

O.

Psoriasis

E

.

Smokeless tobacco hyperkeratOlis

185.

Each of the fO/lawlng 5tatements is ~ I(l :em 19

impacted teeth #17 and #32 EXCI

Wl1

one is the EXCEPTION? 180. Which of the following represents the structure

A.

Alveolar osteitis ., the removal

of

bony

indicated by the arrows on the radiOgraph?

Impactions might occur (5-20%).

A.

Innominate

line

B.

The

alveclar Oer\'e is not likely to be

litmtd

8. Lateral border of the omit during this extraction.

C. Pterygoid plate of the sphenoid C. Horizontally impacted teeth are considered

D.

Zygomatic process

of

the maxina

the most diffICUlt mandibular impections.

E. Postarior border of the maxillary sinus O. Asymptomabc bony Impacoons pre not

recommended for extracbon 10 patients over

35

years-of-age 181. PriO( 10 undergoing scaling and rool planing,

how

should this patient be treated?

186. The position of tooth #26 complicate '!he design

A. Amoxia!!in

(AmOxi~.

2 gm. 1 hour prior \0 of a maxillary prosthesis.

procedure

Maxillary tuberosity reduction on the patient's left

B.

Cephalexin (KefleX®), 3 gm, 1 hour prior to

side would facilitate prosthesiS fabrication procedure

c.

Clarithromycin

(Bjaxin~.

600 mg, 1 hour A. Both statements are true.

prior to procedure B Both statements are false.

C. The first statement is true, the second IS

o.

Clindamycin

(Cleocin~,

2 gm, 1 hour prior

false. to procedure

O. The first statement Is false. the second is

E.

No antibiotic treatment is necessary.

true.

182.

Which of the following risk factors is most likely to

187

POor to dentallreatment using local Bnesthesia

contribute to future attachment loss in this patient?

without sedation the patient should be instructed 10

A Probing depths greater than 3 mm take his usual dose of insulin and eat a normal

B. Insulin administration diet.

C. Occlusion

If the patient is

to

have local anesthesia with O. Nutrition

sedation, the patient should be instructed to reduce

E. Smoking

the usual dose of insulin and not eat

A. Both statements are true. 183. There is a vertical defect 00 the mesial of tooth #2.

B. Both statements

are

false.

There is a crater defect between tooth

#'1.

and C, The first statement is true. the second is

tooth #3. false.

D. The first statement Is false, the second is

A. Both statements are true. _true.

B. Both statements el"9 false.

C. The first statement is true, the second Is

false.

D. The first statement is false, the second is

true.

21