Human Physiology-Body Fluids and Circulation (AIIMS Biology): Questions 18 - 24 of 25

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Question number: 18

» Human Physiology » Body Fluids and Circulation » Cardiac Output

MCQ▾

Question

Cardiac output is determined by

Choices

Choice (4) Response
a.

Blood flow

b.

Stroke volume

c.

Heart rate

d. Both b. and c. are correct

Question number: 19

» Human Physiology » Body Fluids and Circulation » Double Circulation

MCQ▾

Question

The typical lubb-dub sounds heard in the heartbeat of a healthy person are due to

Choices

Choice (4) Response
a.

Closing of the tricuspid and bicuspid valve.

b.

Closing of the semilunar valves.

c.

Blood flow through the aorta.

d.

Closing of the bicuspid-tricuspid and semilunar valves.

Question number: 20

» Human Physiology » Body Fluids and Circulation » Cardiac Output

MCQ▾

Question

Heart beat originates from

Choices

Choice (4) Response
a.

Pacemaker

b.

Left atrium

c.

Cardiac muscles

d.

Right ventricle

Question number: 21

» Human Physiology » Body Fluids and Circulation » Human Circulatory System-Structure of Human Heart and Blood Vessels

MCQ▾

Question

In the heart of mammal, the bicuspid valve is situated between

Choices

Choice (4) Response
a.

Left auricle and left ventricle.

b.

Right auricle and left auri

c.

Post caval and right caval.

d.

Right ventricle and pulmonary aorta.

Question number: 22

» Human Physiology » Body Fluids and Circulation » Cardiac Cycle

MCQ▾

Question

Which of the following has thickest wall?

Choices

Choice (4) Response
a.

Right ventricle

b.

Left atrium

c.

Left ventricle

d.

Right atrium

Question number: 23

» Human Physiology » Body Fluids and Circulation » Human Circulatory System-Structure of Human Heart and Blood Vessels

MCQ▾

Question

Heart beat are controlled by a nodal tissue which is composed of

Choices

Choice (4) Response
a.

Telodendrites

b.

Collagen fibres

c.

Purkinje fibres

d.

Myonemes

Question number: 24

» Human Physiology » Body Fluids and Circulation » Human Circulatory System-Structure of Human Heart and Blood Vessels

MCQ▾

Question

Stimulation of the vagus nerve will make the heart beat

Choices

Choice (4) Response
a.

Slower

b.

Normal

c.

70 times/minute

d.

Faster

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