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Question

Sinoatrial node is located in the


A

right atrium

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B

left atrium

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C

left ventricle

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D

right ventricle

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Solution

The correct option is A

right atrium


The correct option is A

The sinoatrial node (SAN)

  1. The sinoatrial node is located in the right atrium which is the primary site for the initiation of the heartbeat.
  2. The sinoatrial node determines the rate of the heartbeat by determining the rate of discharge of the cardiac impulse.
  3. The sinoatrial node is also known as a pacemaker.

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