Zoology-Cardiac Cycle
NEET Zoology Cardiac Cycle MCQ Question
Type: MCQ-fact-Easy-Class 11
What happens to the semilunar valves during ventricular diastole?
A
They close to prevent backflow of blood.
B
They open to allow blood to flow into the ventricles.
C
They remain closed regardless of pressure changes.
D
They are pushed open by atrial pressure.
Correct Answer
Option A
Detailed Explanation
During ventricular diastole, the ventricular pressure falls, causing the closure of the semilunar valves to prevent the backflow of blood into the ventricles.
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