A) atrioventricular bundle
B) Purkinje system
C) sinuatrial node
D) atrioventricular node
Correct Answer: C
Solution :
[C] The pace maker creates the rhythmical impulse normally made by SA (sinuatrial) node. Hence, it is implanted at the site of SA node to mimic the action and to regulate the heart beat. SA node is found in the upper part of die right atrium of the heart. It is a specialized bundle of neurons (nerve cells). |
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