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Cardiac activity could be moderated by t...

Cardiac activity could be moderated by the autonomous neutral system. Tick the correct answer

A

The parasympathetic system stimulates hean rate and stroke volume

B

The sympathetic system stimulates heart rate and stroke volume

C

The parasympathetic system decreases the heart rate but increase stroke volume

D

The sympathetic system decreases the heart rate but increase stroke volume

Text Solution

Verified by Experts

The correct Answer is:
B
Neural signal through the sympathetic nerve can increase the rate of the heart beat, the strength of ventricular contraction and thereby stimulating the cardiac output. Hence . sympathetic systemis involvedin stimulating heart rate and stroke volume. Therefore. other options are wrong.
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