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A : The resting heart rate, about 75/min...

A : The resting heart rate, about 75/minutes, usually is lower than the autorhythmic rate of the SA node (90 - 100 beats/minute).
R : At rest condition, the parasymphathetic effects dominate.

A

If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

If Assertion is true statement but Reason is false, then mark (3).

D

If both Assertion and Reason are false statements, then mark (4).

Text Solution

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The correct Answer is:
A
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