AP EAMCET Medical 25 Sep 2020 Shift 2 Paper

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Question : 55 of 161
 
Marks: +1, -0
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 Arteries
d) Initiation of the heart beat- Purkinje fibers
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