CHAPTER-7
BODY FLUIDS AND CIRCULATION
EXERCISE LEVEL#1
1. Sinus venosus in mammals is believed to have merged with the wall of :-
(a) Right atrium (b) Left atrium (c) Right ventricle (d) Left ventricle 2. Adult mammals have :
(a) Only left aortic arch (b) Only right aortic arch (c) Both of the above
(d) Completely developed left arch but right arch is poorly developed 3. Heart of Rabbit does not have :
(a) Right auricle (b) Sinus venosus (c) Conus arterious (d) Both b & c 4. The valves of the heart are attached to papillary muscle by :
(a) Columnae carinae (b) Chordae tendinae (c) Tendinae (d) Pectinati muscles 5. Heart of fishes :-
(a) Two chambered (b) Venous heart (c) Both (d) None of the above 6. Heart of pigeon (Birds) is :
(a) 3 – chambered (b) 3 1/2 chambered (c) 4 – chambered (d) None of these 7. Heart of fishes receive :
(a) Oxygenated blood (b) Deoxygenated blood (c) Both (d) None 8. Membrane surrounding the heart is:
(a) Peritoneum (b) Visceral membrane (c) Pericardium (d) None 9. Which has the thickest walls :
(a) Right auricle (b) Left auricle (c) Right ventricles (d) Left ventricle 10. Three chambered heart found in :
(a) Fish (b) Frog (c) Rabbit (d) Man
11. The remainent of formen ovale (Fossa Ovalis) is located :
(a) Inter atrail septum (b) Interventricular septum (c) Between pulmonary & Aortic arches (d) Superior vena Cava 12. Right Atrium of Rabbit receives :
(a) Two Ant. Vena Cava (b) Two Post. Vena Cava
(c) One Post Vena Cava (d) More than one optional are correct
13. The connection between pulmonary & Aortic arches in Foetus is :
(a) Legamentum Teres (b) Ductus Arteriosus
(c) Foramen ovale (d) All of the above
14. The mitral valve is supported by :
(a) Bundle of HIS (b) Ductus Arteriosus (c) Foramen ovale (d) Chorda tendinae 15. Circulation in Rabbit is :
(a) Single & Open (b) Double & Open (c) Double & Close (d) Single & Closed 16. The largest and the thickest heart chamber is
(a) Left ventricle (b) Left atrium (c) Right atrium (d) Right ventricle 17. Right atrioventricular aperture is guarded by
(a) Tricuspid valve (b) Semilunar valves (c) Mitral valves (d) Bicuspid valve 18. Valves present between right atrium and right ventricle is
(a) Mitral valve (b) Tricuspid valve (c) Bicuspid valves (d) Semilunar valve 19. Heart covering is
(a) Peritoneum (b) Pleural membrane (c) Pericardium (d) Visceral membrane 20. Tricupsid valve is found in between
(a) Sinus venosus and right auricle (b) Right auricle and right ventricle (c) Left ventricle and left auricle (d) Ventricle and aorta
21. Closed circulatory system occurs in
(a) Cockroach (b) Tadpole/Fish (c) Mosquito (d) Housefly 22. Wall of heart is covered externally by
(a) Pericardium (b) Epithelium (c) Endothelium (d) Glisson’s capsule 23. Largest heart is of
(a) Giraffe (b) Elephant (c) Crocodile (d) Lion
24. Pericardial fluid is secreted by
(a) Myocardium (b) Perietal peritoneum (c) Visceral peritoneum (d) Pericardium 25. Heart wall is made of
(a) Myocardium (b) Epicardium (c) Endocardium (d) All the above 26. Neurogenic heart is characteristic of
(a) Humans (b) Lower in vertebrates (c) Rat (d) Rabbit 27. Which one generates heart beat?
(a) Purkinje fibres (b) Cardiac branch of vagus nerve
(c) SA node (d) AV node
28. Heart beat is initiated by
(a) AV node (b) SA node (c) Bundle of His (d) Purkinje fibres
29. Ventricular contraction in command of
(a) S.A. Node (b) A.V. Node (c) Purkinje fibres (d) Papillary muscles 30. Impulse of heart beat originates from :
(a) S.A. Node (b) A.B. Node (c) Vagus Nerve (d) Cardiac Nerve 31. Bundle of his is a network of :-
(a) Muscle fibres distributed throughout the heart walls (b) Muscles fibres found only in the ventricle wall (c) Neve fibres distributed in ventricles
(d) Nerve fibres found throughout the heart
32. The cardiac pacemaker in a patient fails of function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of :
(a) Purkinje system (b) Sinuatrial node
(c) Atrioventricular node (d) Atrioventricular bundle 33. If parasympathetic nerve of the Rabbit is cut then heart beat :
(a) Unaffected (b) Decreases (c) Increases (d) Stop 34. When does the blood enter in Atria. Choose the correct :
(A) During generation of impulse from SAN (B) Atrial relaxation (C) As the tricuspid and bicuspid valves are open (D) Joint diastole
(a) (A), (B) (b) (A), (B), (C) (c) (B), (C), (D) (d) All 35. Choose the correct pathway of the transmission of impulses in the heart beat :
(a) AV node SA node Bundle of His Purkinje fibres (b) SA node AV node Bundle of His Purkinje fibres (c) SA node Bundle of His AV node Purkinje fibres (d) AV node Bundle of His SA node Purkinje fibres 36. “Bundle of His” are :-
(a) Nervous tissue supplied to ventricles (b) Nervous tissue supplied to heart (c) Muscular tissue supplied to ventricles (d) Muscular tissue supplied to heart 37. The heart beat of which animal is myogenic in nature
(a) Cockroach (b) Leech (c) Elephant (d) All of these 38. The function of vagus nerve innervating the heart is to
(a) Initiate the heart beat (b) Reduce the heart beat
(c) Accelerate the heart beat (d) Maintain constant heart beat 39. Generally artificial pacemaker made up of
(a) Nickel (b) Dry cadmium
(c) Photo sensitive material (d) Lithium
40. Ist Heart Sound is due to : (a) Closure of Semilunar valve
(b) Closure of Pulmonary & Aortic Valve
(c) Vibration just after Closure of Mitral & Tricuspid valve (d) Vibration after Closure of Pulmonary & Aortic Valve 41. Ist Heart sound is heard as :
(a) ‘LUBB’ at end of systole (b) ‘DUBB’ at end of systole
(c) ‘LUBB’ at beginning of Ventricular systole (d) ‘DUBB’ at beginning of Ventricular systole 42. The sound of lubb is produced during closure of
(a) Bicuspid valve (b) Tricuspid valve (c) Semilunar valves (d) Both (a) and (b) 43. Identify the correct statement regarding the heart sound :
(A) In a healthy individual, there are two normal heart sound called lub and dub
(B) Lub is the first heart sound. It is associated with the closure of the semilunar and bicuspid valves at the beginning of atrail systole.
(C) The second heart sound dub is associated with the closure of the semilunar valves at the beginning of joint diastole.
(a) A and B (b) A and C (c) B and C (d) All
44. Cardiac output is the :
(a) Amount of blood pumped by both ventricles in one minute (b) Amount of blood pumped by each ventricle in one minute (c) Amount of blood pumped by each ventricle in one second (d) Amount of blood pumped by each ventricle in one stroke
45. Time period of cardiac cycle in human heart is 0.8 sec. In which of the following condition this time period is decreases :
(A) Exercise (B) Infants (C) Old age (D) Athetes
(E) Relax condition
(a) A, B, C (b) A, B (c) B, C, E (d) D, E
46. During atrial systole flow of blood into ventricles increases about :
(a) 70% (b) 5% (b) 30% (d) 50%
47. Which among the following is correct during each cardiac cycle?
(a) The volume of blood pumped out by the right and left ventricles is same (b) The volume of blood pumped out by the right and left ventricles is different (c) The volume of blood received by each atrium is different
(d) The volume of blood received by the aorta and pulmonary artery is different
48. Which one of the following will be the cardiac output (in liters per minute) of a heart that has a stroke volume of 0.07 liters and is beating at a rate of 90 per minute?
(a) 63.30 (b) 63.00 (c) 0.063 (d) 06.30
49. Which one of the following options gives the correct statement about the LUBB and DUP heart sounds originate during cardiac cycle :
LUBB DUP
(a) 2nd heart sound 1st hart sound
(b) Produced due to closing of AV valves Produced due to closing of semilunar valves (c) Produced during ventricular diastole
and atrial systole
Produced during ventricular systole and atrial diastole
(d) Short timed and dull sound Long timed and sharp sound 50. Blood enters into the heart because muscles of :-
(a) Atria relax (b) Ventricle contract (c) Atria relax (d) Atria contract 51. Cardiac output is determined by
(a) Heart rate (b) Stroke volume (c) Blood flow (d) Both a and b 52. The duration of cardiac cycle is :
(a) 0.8 sec. (b) 0.8 sec. (c) 0.08 sec. (d) 0.008 sec 53. Which is the first heart sound?
(a) Lub sound associated with the closure of semilunar valves
(b) Lub sound associated with the colosure of tricuspid and bicuspid valves (c) Dup sound associated with the colosure of tricuspid and bicuspid valves (d) Dup sound associated with the closure of semilunar valves
54. The relationship among cardiac output, heart rate and stroke volume is expressed as (a) Heart rate = Stroke volume Cardiac rate
(b) Cardiac volume = Stroke volume Heart rate (c) Stroke volume = Cardiac output Heart rate (d) Cardiac output = Heart rate Stroke volume
55. Which of the following sequence is truly a systemic circulation pathway
(a) Right ventricle Pulmonary aorta Tissues Pulmonary veins Left auricle (b) Right auricle left ventricle Aorta Tissues Veins Right auricle
(c) Left auricle Left ventricle Pulmonary Aorta Tissues Right auricle (d) Left ventricle Aorta Arteries Tissues Veins Right auricle
56. A portion of cardiovascular system that transport oxygen depleted blood from the heart to the lungs and brings oxygenated blood back to the heart is referred as
(a) Pulmonary circulation (b) Systemic circulation (c) Coronary circulation (d) Single circuit circulation 57. Hepatic portal system starts from
(a) Digestive system to liver (b) Kidney to liver
(c) Liver to heart (d) Liver to kidney
58. The correct sequence of layers found in the walls of arteries form inside outward is : (a) Tunica adventitia, tunica interna & tunica media
(b) Tuncia interna, tunica externa & tunica media (c) Tunica interna, tunica media & tunica externa (d) Tunica media, tunica externa & tunica interna
59. Pulmonary artery differs from pulmonary vein in having
(a) Thick wall (b) Thin wall (c) Valves (d) Both b and c 60. Which statement is true about the venous blood vessels of frog?
(a) Lingual and submandibular unite to form the internal jugular (b) Musculo-cutaneous and branchial unite to form the subclavian (c) The ventral abdominal vein drains into the posterior vena cava (d) The pelvic veins unite to form the renal portal vein
61. Which of the following is poorly developed in vein?
(a) Tunica interna (b) Tunica externa (c) Tunica media (d) None of the above 62. Which of the following are located in tunica media of human blood vessels?
(a) Yellow fibres and smooth muscles (b) Collagen fibre and smooth muscles
(c) Yellow fibres and striated muscles (d) Squamous epithelium and striated muscles 63. Which organ is called as grave yard of RBCs?
(a) Pancreas (b) Kidneys (c) Liver (d) Spleen
64. Endothelium of blood vessels is made up of
(a) Simple cuboidal epithelium (b) Simple columnar epithelium
(c) Simple squamous epithelium (d) Simple nonciliated columnar epithelium 65. The value of diastolic blood pressure is
(a) 120 mm Hg (b) 80 mm Hg (c) 120/80 mm Hg (d) 40 mm Hg 66. Blood pressure is measured by
(a) Sphygmonanometer (b) Phonocardiogram
(c) Electrocardiogram (d) Stethoscope
67. Normal pulse pressure is
(a) 80 mm Hg (b) 120 mm Hg (c) 40 mm Hg (d) 320 mm Hg 68. Arterial blood pressure in human beings :
(a) 120 and 80 mm Hg (b) 150 and 100 mm Hg (c) 50 and 100 mm Hg (d) 200 and 100 mm Hg 69. Coronary heart disease is due to :
(a) Streptococci bacteria
(b) Inflammation of pericardium (c) Weakening of the heart valves
(d) Insufficient blood supply to the heart muscles
70. To obtained a standard ECG a patient is connected to the machine with three electrodes (a) One to each ankle and to the left wrist
(b) One to each wrist and to the left ankle (c) One to each wrist and to the left chest region (d) One to each ankle and to the left chest region 71. The QRS complex of a standard ECG represents the
(a) Excitation of the atria (b) Depolarization of the ventricles (c) Repolarisation of the ventricles (d) None of the above
72. Megakaryotes
(a) Produce leucocytes (b) Forms blood platelets (c) Are carriers of oxygen (d) Are carriers of oxygen 73. During blood clotting, fibrin is produced by
(a) Thrombokinase (b) Prothrombin (c) Liver (d) Proteolysis 74. Number of erythrocytes per mm of human blood is 3
(a) 4 million (b) 5 million (c) 8 million (d) 0.5 million 75. Number of WBCs per mm of human blood is 3
(a) 8000 (b) 100000 (c) 5000 (d) 16000
76. RBCs are nucleated in
(a) Man (b) Rabbit (c) Rat (d) Frog
77. An anticoagulant is
(a) Heparin (b) Hirudin (c) EDTA (d) All the above
78. The rarest leucocytes of human blood is
(a) Basophil (b) Monocyte (c) Neutrophil (d) Eosinophil 79. Blood has a pH of
(a) 7.4 (b) 7.8 (c) 6.9 (d) 6.3
80. In Camel, the RBCs are
(a) Oval (b) Circular, biconcave and nucleated
(c) Circular, biconcave and nonnucleated (d) Oval, nonnucleated, Circular 81. Bilirubin and biliverdin are derived from
(a) Globin (b) Heam (c) Iron (d) Fat
82. Protein required for coagulation of blood is
(a) Haemoglobin (b) Globulin (c) Fibrinogen (d) Albumin 83. Globulin is
(a) Plasma protein (b) Antigen
(c) Serum (d) Found in lymphatic tissue
84. Which is not a component of areolar tissue
(a) Macrophage (b) Plasma cell (c) Schwann cell (d) Adipose cell 85. Structure absent from fresh frozen blood is
(a) Immunoglobulin (b) Plasma (c) Albumin (d) Platelets 86. To prevent clotting, donor’s blood is treated with
(a) Sodium glycocholate (b) Sodium citrate
(c) Heparin (d) Sodium taurocholate
#ANSWER KEY# LEVEL#1 1. a
2. a 3. d 4. b 5. c 6. c 7. b 8. c 9. d 10. b 11. a
12. d 13. b 14. d 15. c 16. a 17. a 18. b 19. c 20. b 21. b 22. a
23. b 24. d 25. d 26. b 27. c 28. b 29. a 30. a 31. b 32. c 33. c
34. c 35. b 36. c 37. c 38. b 39. d 40. c 41. c 42. d 43. b 44. b
45. b 46. c 47. a 48. d 49. b 50. a 51. d 52. a 53. b 54. b 55. d
56. a 57. a 58. c 59. a 60. d 61. c 62. a 63. d 64. c 65. b 66. a
67. c 68. a 69. d 70. b 71. b 72. b 73. b 74. b 75. a 76. d 77. d
78. a 79. a 80. a 81. b 82. c 83. a 84. c 85. d 86. b
