Circulatory System Important Job Related MCQs

1 - A cavity surrounding the heart is called:





Pericardial cavity

2 - A renal portal system is found in:





Frog

3 - An artery differs from a vein in having:





Strong muscular walls

4 - An artery is:





Thick-walled vessel in which blood flows under high pressure

5 - Auricular appendages in rabbit's heart are ridged internally due to the presence of band-like structures called:





M. pectinati

6 - Azygos vein in rabbit collects blood from:





Both of these parts

7 - Azygos vein in rabbit opens into:





Right precaval

8 - Bicuspid valve is also called:





Mitral valve

9 - Blood from dorsal body wall in rabbit is collected by:





Ilio-lumbers

10 - Blood from stomach and spleen is collected in rabbit by:





Lineo-gastric

11 - Blood from the wall of heart itself in rabbit is collected by:





Coronary sinus

12 - Blood leaving the lungs is richer than the blood entering the lungs in:





Oxygen

13 - Blood of which of the following vessel in mammals carried least percentage of Urea:





Renal vein

14 - Blood to hind limbs is supplied by:





Iliac arteries

15 - Blood to skin of frog is supplied by:





Pulmocutaneous arch

16 - Blood transports:





Oxygen only

17 - Brachial and musculo-cutaneous veins in frog unite to form:





Subclavian vein

18 - Cardiac muscles:





Contract quickly and do not get fatifued

19 - Carotid artery carries:





Oxygenated blood to brain

20 - Chordae tendinae are found in:





Ventricle of heart

21 - Chordae tendinae connecting dorsal and ventral flaps of atrioventricular valve in from help in:





Protecting eversion of atrioventricular valve towards auricles by pressure of blood in ventricles

22 - Circulatory system of rabbit differs from that of frog chiefly in absence of:





Renal portal system

23 - Cistern chili in rabbit is:





Posterior dilated end of left lymphatic duct

24 - Cistern magna is found in frog:





Beneath vertebral column

25 - Compared to a vein in mammals, an artery:





Has no internal valves

26 - Coronary sinus in heart of rabbit opens:





At a small pore close to the opening of left precaval

27 - Crural lymph sinus in frog is found in:





Hind limbs

28 - Dorsal acrta in frog is formed by the union of:





Only two systemic arches

29 - Each precaval in frog is formed by confluence of:





External jugular, innominate and sub-clavian veins

30 - Eustachian valve is found is:





Right auricle of heart

31 - Eustachian valve is present in rabbit at:





The opening of postcaval into right auricle

32 - External jugular vein in frog is formed by confluence of:





Both of these

33 - External jugulars are connected together with the help of a transverse jugular commissure in:





Rabbt

34 - Graveyard of blood corpuscles is:





Spleen

35 - Heart in frog has certain chambers which are not found in rabbit:





Sinus venosus and conus arteriosus

36 - Heart in frog lies within:





Abdominal cavity between two fore limbs

37 - Heart is made up of:





All of these structures

38 - Heart of frog differs that of rabbit by presence of:





Sinus venosus

39 - Hemiazygos vein in rabbit opens into:





Left precaval

40 - In a portal system:





A vein breaks up in an organ into capillaries and restarts by their reunion as a new vein in that organ

41 - In between the thoracic cavities the space containing heart in rabbit is called:





Mediastinum

42 - In epidermis, hair follicle, cornea most, cartilages, brain and spinal cord lymphatic capillaries are:





Totally absent

43 - In rabbit each precaval is formed by the union of:





External jugular, internal jugular and sub-clavian

44 - In rabbit, posterior epigastric vein collects blood from:





Ventral body wall

45 - In which of the following renal arteries are one pair and asymmetrical:





All of these

46 - Innominate artery in rabbit divides into:





Common carotid arteries

47 - Interchange of materials between blood and the tissue cells occurs through:





Interstitial fluid

48 - Interchange of materials in the tissue occurs between:





Lymph and tissue fluid

49 - Lymph can be defined as blood minus:





RBCs

50 - Lymph contains:





Negligible amount of nutrients and oxygen but abundant CO2 and metabolic wastes

51 - Lymph differs from blood in having:





No RBCs

52 - Mitral valve in mammals guards opening between:





Left auricle and left ventricle

53 - Name the aortic arch that carries only deoxygenated blood:





Pulmocutaneous arch

54 - Number of aortic arches arising from heart of rabbit are:





Two

55 - Number of inercostal arteries in rabbit is:





5-7 pairs

56 - Number of renal arteries in rabbit is the pair but in frog is:





4-5 pairs

57 - One of the following structures is found in the heart as well as in other organ of body, which is:





Brain

58 - One of the peculiar feature of cardiac muscles forming myocardium of heart is that:





They have all these properties

59 - Only one precaval is found in which of the following mammals:





Both of these

60 - Opening of pulmonary veins in the left auricle do not carry any valve but there is no back-flow or blood while left auricle contracts because of the fact that:





Contraction of left auricle automatically closes the opening of pulmonary veins

61 - Papillary muscles are found in the:





Ventricles of heart in rabbit

62 - Postcaval vein in rabbit is formed by confluence of:





Both of these

63 - Pulmonary aorta in embryo comniunicates with carotico-systemic aorta by a thin vessel called ductus Botalli which later closes and remains in adult as:





Ligamentum arteriosus

64 - Pylangium and synangium in frog's heart are divisions of:





Conus arteriosus

65 - Right and left lymphatic ducts in rabbit open:





Directly into the precavals of their side

66 - Right auricle in mammalian heart receives blood from:





Precavals and postcavals

67 - Right azygos and hemiazgos veins are present in:





Rabbit

68 - Short aortic trunci in frog are formed by division of:





Synangium

69 - Sinus venosus is formed by union of:





All of these

70 - Spiral valve in the heart of frog divides pylangium into:





Cavum aorticum and cavum pulmocutaneum

71 - Spleen produces RBCs in embryo but adult it produces:





Lymphocytes

72 - Study of structures associated with irritability is:





Neurology

73 - Term ""Bicuspid"" is applied to:





A valve in the heart

74 - The DNA is composed of smaller units called_______________





Genes

75 - Thebesian valve is present in the heart of rabbit at:





The opening between left precaval and coronary sinus

76 - To reach the left side of heart, the blood must pass through:





Lungs

77 - Total number of arches coming out of heart in case of frog is:





6

78 - Uterus in female rabbit blood is supplied by:





Internal iliac

79 - Vein carrying blood from tongue in frog is:





Lingual

80 - Venus system of frog differs from that of rabbit in presence of:





Renel portal system

81 - Which of the artery in frog has a receptor in form of a labyrinth:





Internal carotid artery

82 - Which of the artery supplies blood to diaphragm:





Phrenic

83 - Which of the following arteries is absent in frog:





Phrenics

84 - Which of the following arteries is unpaired:





Coeliaco-mesenteric

85 - Which of the following artery supplies blood to urinary bladder:





Hypogastric

86 - Which of the following chambers are absent in the heart of rabbit:





Both of (b) & (c)

87 - Which of the following organ works as a ""Blood Bank"":





Spleen

88 - Which of the following organs can form antibodies:





Spleen

89 - Which of the following valves in the heart of rabbit is tricuspid:





Right auriculo-ventricular valve

90 - Which of the following vessels supplies muscles of jaws, tongue, hyoid etc. in frog:





External carotid artery

91 - Which of these has oxygenated blood:





Pulmonary veins

92 - Which one of the following organs can be called a sort of ""Blood Bank"" for body's requirements:





Spleen

93 - Which vessels carry blood from lungs to heart:





Pulmonary arteries

94 - White pulp of spleen is formed by:





Accumulation of splenic cells around arteriole

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