Human Heart and Its Working CDS Questions

Human Heart and Its Working MCQ Questions

13.
What is the average resting heart rate for a healthy adult?
A.
40-60 bpm
B.
60-100 bpm
C.
100-120 bpm
D.
120-150 bpm
ANSWER :
B. 60-100 bpm
14.
Which blood vessels have the thinnest walls?
A.
Arteries
B.
Veins
C.
Capillaries
D.
Arterioles
ANSWER :
C. Capillaries
15.
Which heart valve is located between the right atrium and right ventricle?
A.
Tricuspid valve
B.
Mitral valve
C.
Aortic valve
D.
Pulmonary valve
ANSWER :
A. Tricuspid valve
16.
Which component of the blood carries oxygen?
A.
Plasma
B.
White blood cells
C.
Platelets
D.
Red blood cells
ANSWER :
D. Red blood cells
17.
The right ventricle pumps blood to the ______ for oxygenation.
A.
Lungs
B.
Aorta
C.
Brain
D.
Liver
ANSWER :
A. Lungs
18.
What is the function of the pulmonary veins?
A.
Carry oxygen-rich blood to the heart
B.
Carry oxygen-poor blood to the heart
C.
Carry blood away from the heart
D.
Carry nutrients to tissues
ANSWER :
A. Carry oxygen-rich blood to the heart