ZoologySympathetic neural signals

Sympathetic neural signals

  1. A

    increase heart rate and the strength of ventricular contraction

  2. B

    increase heart rate, but have no effect on the strength of ventricular contraction

  3. C

    decrease heart rate and speed of conduction of action potential

  4. D

    increase heart rate and decrease cardiac output

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    Solution:

    Neural signals through the sympathetic nerves (part of ANS) can increase the rate of heart beat, the strength of ventricular contraction and thereby the cardiac output.

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