Top 150+ Solved Body fluids and Circulation MCQ Questions Answer

From 76 to 90 of 141

Q. ‘Heart of heart’ is

a. SA - Node

b. AV - Node

c. Bundle of His

d. Purkinje fibres

  • a. SA - Node

Q. An oval depression called fossa ovalis is seen on

a. Inter atrial septum

b. Inter ventricular septum

c. Right auriculo - ventricular septum

d. Left auriculo - ventricular septum

  • a. Inter atrial septum

Q. Which of the following statements is related to starling’s law of heart

a. Greatar the stroke volume greater is the heart rate

b. Greater the intial length of the cardiac muscle fibre, more the force of contraction of heart

c. Greater the minute volume, greater is the heart rate

d. Lesser the length of cardiac musle fibre greater is the force of contraction of heart

  • b. Greater the intial length of the cardiac muscle fibre, more the force of contraction of heart

Q. An artificial pace - maker is implanted subcutaneously and connected to the heart in patients

a. Having 90 % blockage of the three main coronary arteries

b. Having a very high blood pressure

c. With irregularity in the heart rhythm

d. Suffering from arteriosclerosis

  • c. With irregularity in the heart rhythm

Q. The pace - setter in the heart is called

a. Purkinje fibres

b. SA - Node

c. Papillary muscle

d. AV - Node

  • d. AV - Node

Q. Cardiac output is determined by

a. Heart rate

b. Stroke volume

c. Blood flow

d. Both a & b

  • d. Both a & b

Q. Which of the following blood vessles has wide lumen

a. Renal vein

b. Post venacava

c. Renal artery

d. Right pulmonary artery

  • b. Post venacava

Q. In haemodialysis, patient’s blood is pumped from one of the arteries and mixing with X . Blood is purified and it is then pumped into vein of the patient after adding Y to it. X Y X Y

a. Heparin , Anti heparin

b. Prothrombin, Thrombin

c. antiheparin , Heparin

d. Prothrombin, Heparin

  • a. Heparin , Anti heparin

Q. , 2000, DPMT-86,MANIPAL-95)

a. Left atrium and left ventricle

b. Left atrium and Right ventricle

c. Right atrium and Left ventricle

d. Right atrium and Right ventricle

  • a. Left atrium and left ventricle

Q. Which one of the following vein breaks up into capillaries

a. Renal vein

b. Hepatic vein

c. Pelvic vein

d. Pulmonary vein

  • b. Hepatic vein

Q. Serotonin in the blood

a. Relaxes blood vessels

b. Prevents clotting of the blood

c. Helps in clotting of blood

d. Constricts blood vessels

  • d. Constricts blood vessels

Q. The artery can be distinguished from the vein in having

a. Thicker walls

b. More blood cells

c. More plasma

d. Larger cavity

  • a. Thicker walls

Q. The pulse beat is measured by the

a. Artery

b. Capillary

c. Vein

d. None

  • a. Artery

Q. Carotid artery carries

a. Impure blood from brain

b. Oxygenated blood to anterior region of body or to brain

c. Impure blood to kidney

d. Oxygenated blood to heart

  • b. Oxygenated blood to anterior region of body or to brain

Q. Blood vessels carrying blood from lungs to heart

a. Pulmonary artery

b. Pulmonary vein

c. Carotid artery

d. Coronary artery

  • b. Pulmonary vein
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