Q.

Which of the following is not related to sino-atrial node?

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a

Semilunar valves remain closed whenever it generates action potentials.

b

Located in the lower left corner of right atrium

c

Action potentials generated by it stimulates both the atria.

d

It is a component of normal autoregulation mechanism of the heart.

answer is C.

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Detailed Solution

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Sino-atrial node is located in upper right corner of right atrium.

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