AIIMS2003Zoology-Human Physiology
AIIMS 2003 Zoology Cardiovascular System MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following is a matching pair?
A
Lubb - sharp closure of AV valves at the beginning of ventricular systole
B
Dup - sudden opening of semilunar valves at the beginning of ventricular diastole
C
Pulsation of the radial artery - valves in the blood vessels
D
Initiation of the heart beat - Purkinje fibres.
Correct Answer
Option A
Detailed Explanation
The gradually increasing contraction of ventricular muscles during systole...
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