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Question

Impulse originating from sino-atrial node are transmitted to the

A

Atrio-ventricular node

B

Bundle of His

C

Pacemaker

D

Purkinje system

Medium

Solution

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Correct option is
A

Atrio-ventricular node

The sino-atrial node generates the impulse for first heart beat. This electrical impulse is then conducted to the atrio-ventricular node. 

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