It is biology bro

1. BODY FLUIDS AND CIRCULATION
UNIT II-A
BODY FLUIDS
AND
CIRCULATION

2. BODY FLUIDS AND CIRCULATION

3. BODY FLUIDS AND CIRCULATION
1) Pacemaker is situated in heart…..
2) on inter-auricular septum
3) on inter ventricular septum
1) in the wall of right atrium
4) in the wall of left atrium

4. BODY FLUIDS AND CIRCULATION
2) Right atrium receives blood from ……..
2) Pulmonary veins
3) Inferior vena cava
1) Pulmonary aorta
4) Superior and inferior vena cava

5. BODY FLUIDS AND CIRCULATION
3) Mitral valve is also called……..
2) semilunar valve
3) bicuspid valve
1) tricuspid valve
4) thebasian valve

6. BODY FLUIDS AND CIRCULATION
4) Papillary muscles occur in……
2) auricles
3) atrioventricular valves
1) ventricles
4) pulmonary valves

7. BODY FLUIDS AND CIRCULATION
5) What happens when the pacemaker becomes non –
functional ……..
2) Only ventricles contract rhythmically
3) Cardiac muscles do not undergo co – ordinated
rhythmic movements
1) Only auricles contract rhythmically
4) Auricles and ventricles contract rhythmically

8. BODY FLUIDS AND CIRCULATION
6) If vagus parasympathetic nerve to heart is cut, the
heart beat
2) increase
3) remain normal
1) decrease
4) stop

9. BODY FLUIDS AND CIRCULATION
7) Assertion (A): AV node is a relay point.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) A is false, R is true
Reason (R): It relays the action potential received from
the SA node to atrial musculature.

10. BODY FLUIDS AND CIRCULATION
8) Hardening of the wall of small arteries is known
as……..
2) Arteriosclerosis
3) Atherosclerosis
1) Thrombosis
4) Myocardial infraction

11. BODY FLUIDS AND CIRCULATION
9) The heart murmur is due to……..
2) Defective leaky valve
3) Arterial pulse
1) Coronary thrombosis
4) ill developed atrium

12. BODY FLUIDS AND CIRCULATION
10) Heart pumps blood forcefully in older persons than
younger ones due to……..
2) decrease in elasticity of arteries
3) fall in nutrient content of blood
1) decrease in oxygen content of blood
4) increase in elasticity of arteries

13. BODY FLUIDS AND CIRCULATION
11) Heart beats are accelerated by …….. (Manipal-1994 )
2) Cranial nerves and acetylcholine
3) Sympathetic nerves and epinephrine
1) Cranial nerves and adrenaline
4) Sympathetic nerves and acetylcholine

14. BODY FLUIDS AND CIRCULATION
12) Ligamentum arteriosum ……..
2) Is the remnat of ducts caroticus connects systemic
and pulmonary arches in embryo
3) Is the remnant of ducts arterious that connect
systematic & pulmonary vein in embryo
1) Is the remnant of the ducts arteriosus which
connects the systemic and pulmonary arches in adults
4) Is the remnant of the ducts arterious that connect
systematic & pulmonary arches in embryo

15. BODY FLUIDS AND CIRCULATION
13) Human embryonic heart begins beating at this
time……..
2) One month of embryonic development
3) First month of second trimester
1) One month of infantile stage
4) First month of third trimester

16. BODY FLUIDS AND CIRCULATION
14) Slowing of heart beat is called…….. (AFMC-2002)
2) Bradycardia
3) Cardiac arrest
1) Tachycardia
4) Lymphokinesis

17. BODY FLUIDS AND CIRCULATION
15) Pulmonary artery originates from the ……..
(Karnataka-1994)
2) Left auricle
3) Right ventricle
1) Left ventricle
4) Right auricle

18. BODY FLUIDS AND CIRCULATION
16) Hardening of arteries due to deposition of cholesterol
is called…….. (Karnataka-2002)
2) Stenosis
3) Thrombosis
1) Rhinitis
4) Atherosclerosis

19. BODY FLUIDS AND CIRCULATION
17) The valves which allow blood to flow from the
ventricles into the arteries and not in the opposite
direction are ……..(Karnataka-2003)
2) Bicuspid and tricuspid valves
3) Semilunar valve and tricuspid valve
1) AV valve (atrio ventricular valve) and semilunar
valve
4) Aortic valve and mitral valve

20. BODY FLUIDS AND CIRCULATION
18) During ventricular systole …….. (Karnataka-2003)
2) Oxygenated blood is pumped into the aorta and
deoxygenated blood is pumped into the pulmonary
vein
3) Oxygenated blood is pumped into the pulmonary vein
and deoxygenated blood is pumped into the pulmonary
artery
1) Oxygenated blood is pumped into the pulmonary
artery and deoxygenated blood is pumped into the
artery
4) Oxygenated blood is pumped into the aorta and
deoxygenated blood is pumped into the pulmonary
artery

21. BODY FLUIDS AND CIRCULATION
19) Coronary heart disease is due to…….. (karntaka-2007)
2) inflammation of pericardium
3) weakening of the heart
valves
1) streptococci bacteria
4) insufficient blood supply to the heart muscles

22. BODY FLUIDS AND CIRCULATION
20) How many double circulations are normally completed
by the human heart, in one minute? (karnataka-2006)
2) sixteen
3) seventy two
1) eight
4) thirty six

23. BODY FLUIDS AND CIRCULATION
21) Bicuspid valve regulates the flow of blood from ……..
(Punjab-2002)
2) Left auricle to left ventricle
3) Post caval to right auricle
1) Left ventricle to SA – node
4) Right auricle to right ventricle

24. BODY FLUIDS AND CIRCULATION
22) Heart sound which is longer is…….. (punjab-2001)
2) dub
3) both are equal
1) lub
4) sometimes (1) and sometimes (2)

25. BODY FLUIDS AND CIRCULATION
23) Heart of heart is…….. (BHU- 2010)
2) AV node
3) bundle of His
1) SA node
4) purkinje fibres

26. BODY FLUIDS AND CIRCULATION
24) Bundle of his is a network of……..(BHU-2010)
2) Muscle fibres found only in the ventricle wall
3) Nerve fibres distributed in ventricles
1) Muscle fibres distributed through out the heart walls
4) Nerve fibres found throughout the heart

27. BODY FLUIDS AND CIRCULATION
25) In order for the blood to flow from right ventricle to
left to left ventricle in mammalian heart, it must flow
through……..(DU MET-2010)
2) Right ventricle, pulmonary veins, lungs, pulmonary
arteries, left atrium
3) Right ventricle, right atrium, lungs, pulmonary
veins, left atrium
1) Right ventricle, pulmonary arteries, lungs,
pulmonary veins, left atrium
4) Right ventricle, systemic aorta, lungs, pulmonary
veins, left atrium

28. BODY FLUIDS AND CIRCULATION
26) Tricuspid valves is present between …….. (DU MET-2010)
2) Right and left atria
3) Right and left ventricles
1) Left atrium and left ventricle
4) Right atrium and right ventricle

29. BODY FLUIDS AND CIRCULATION
27) The cardiac cycle in normal subject is about…….
(WB JEE-2010)
2) 0.8 second
3) 1.0 second
1) 0.5 second
4) 1.2 second

30. BODY FLUIDS AND CIRCULATION
28) The difference between systolic and diastolic pressure
in human is ……..(WBJEE-2010)
2) 80 mm Hg
3) 40 mm Hg
1) 120 mm Hg
4) 200 mm Hg

31. BODY FLUIDS AND CIRCULATION
29) Chordae tendineae are found in……..(kerala-2010)
2) Ventricles of heart
3) Joints of legs
1) Atria of heart
4) Joints of hands
5) Ventricles of brain

32. BODY FLUIDS AND CIRCULATION
30) “ Bundle of His” is a part of which one of the
following organs in humans?(AIPMT prelims-2011)
2) Heart
3) Kidney
1) Brain
4) Pancreas

33. BODY FLUIDS AND CIRCULATION
31) If the duration of each cardiac cycle is 0.75 then the
number of beats per minute will be……..
2) 70
3) 75
1) 100
4) 80

34. BODY FLUIDS AND CIRCULATION
32) Cardiac muscle is found in ……..(Odisha-2011)
2) Epicardium
3) Endocardium
1) Myocardium
4) All of these

35. BODY FLUIDS AND CIRCULATION
33) Which of the following is the correct pathway for
propagation of cardiac impulse? (WB-JEE-2011)
2) AV node – Bundle of His – SA node purkinje fibres
3) SA node – purkinje fibres – AV node – Bundle of His
1) SA node – AV node – Bundle of His – purkinje fibres
4) Purkinje fibres – AV node – SA node – Bundle of His

36. BODY FLUIDS AND CIRCULATION
34) The volume of blood each ventricle pumps out during
a cardiac cycle is about……..(kerala-2011)
2) 5000 ml
3) 40 ml
1) 70 ml
4) 1200 ml

37. BODY FLUIDS AND CIRCULATION
35) Assertion (A): SA node is called as pacemaker of heart.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) Both A and R is false
Reason (R): It establishes the basic rhythm at which the
heart beats.

38. BODY FLUIDS AND CIRCULATION
36) Assertion (A): Pulse rate per minute can be counted to
know the heart beat.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) Both A and R is wrong
Reason (R): Each heart beat sends one pulse along the
arteries.

39. BODY FLUIDS AND CIRCULATION
37) Assertion (A): Wall of ventricles are thicker then the
auricles.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) Both A and R false
Reason (R): Chordae tendineae are attached to cone
shaped projections of the ventricular wall
known as papillary muscles.

40. BODY FLUIDS AND CIRCULATION
38) Assertion (A): Ventricular systole preceeds the atrial
systole.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) Both A and R is false
Reason (R): The cardiac impulse passes relatively faster
across the AV node.

41. BODY FLUIDS AND CIRCULATION
39) Assertion (A): AV bundle is essential for the
conduction of cardiac impulse.
2) Both A and R are true and R is not the correct
explanation of A
3) A is true but R is false
1) Both A and R are true and R is the correct explanation
of A
4) Both A and R false
Reason (R): there is continuity between the cardiac
muscle fibres of the auricles and those of
the ventricles.

42. BODY FLUIDS AND CIRCULATION
40) Match column A with Column B.
2) A-III, B-IV, C-I, D-II, E-V
3) A-III, B-V, C-II, D-I,E-IV
1) A-IV, B-V, C-I, D-II,E-III
4) A-III, B-V, C-I, D-II,E-IV
Column-A Column-B
A) SA node
B) Human heart
C) AV – value
D) Blood pressure
1) Tricuspid valve
2) Sphygmomanometer
3) 0.8 sec
4) Pacemaker
E) Cardiac cycle 5) Myogenic

43. BODY FLUIDS AND CIRCULATION
41) i) Pulmonary vein drains the blood into ……..
2) Left atrium
3) Right ventricle
1) Right atrium
4) Left ventricle

44. BODY FLUIDS AND CIRCULATION
Thank you…