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Which one of the following is a matching...

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

Initiaion of the heart beat Purikinje fibres

Text Solution

Verified by Experts

The correct Answer is:
A
Lubb is the first. Low pitched heart sound produced due to the closure of bicuspid and tricuspid valves at the start of ventricular systole.
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ERRORLESS -BODY FLUIDS AND CIRCULATION-Body Fluids And Circulation
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