Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) NEET Questions

Biology - Human Physiology

Body Fluids and Circulation ( Composition of Blood, Blood Groups, Coagulation of Blood,....) MCQ Questions


13.
Which chamber of heart receives oxygenated blood from lungs?
A.
Right atrium
B.
Right ventricle
C.
Left ventricle
D.
Left atrium
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ANSWER :
D. Left atrium
14.

Cardiac output is the product of stroke volume and:

NEET - 2019

A.

Heart rate

B.

Blood volume

C.

Cardiac cycle time

D.

Blood pressure

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ANSWER :

A. Heart rate

15.
Double circulation occurs in:
A.
Human
B.
Fish
C.
Amphibians
D.
Reptiles
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ANSWER :
A. Human
16.
What is normal systolic pressure in human beings?
A.
80 mm Hg
B.
90 mm Hg
C.
120 mm Hg
D.
140 mm Hg
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ANSWER :
C. 120 mm Hg
17.

In human heart, the number of pulmonary veins opening into left atrium is:

NEET - 2021

A.

Two

B.

Four

C.

One

D.

Three

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ANSWER :

B. Four

18.
Blood clotting in human blood involves which enzyme?
A.
Amylase
B.
Pepsin
C.
Trypsin
D.
Thrombin
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ANSWER :
D. Thrombin