If the connection between the vagus nerve and the heart is cut,which of these changes will occur?
A)Heart will beat slower.
B)Stroke volume will decrease.
C)Cardiac output will decrease.
D)Nodal fibers will depolarize more slowly.
E)The heart will beat faster.

Question

Quizplus · Accepted Answer

The vagus nerve is part of the parasympathetic nervous system and acts to decrease heart rate. If its connection to the heart is cut, the inhibitory effect is removed, leading to an increase in heart rate.

If the Connection Between the Vagus Nerve and the Heart