In order to slow an increased heart rate, which of the following is most likely to occur?
A) decreased sympathetic nervous system activity only
B) decreased parasympathetic activity only
C) increased sympathetic activity and decreased parasympathetic activity
D) increased parasympathetic activity and decreased sympathetic activity

Question

Quizplus · Accepted Answer

The parasympathetic nervous system is responsible for slowing down the heart rate, while the sympathetic nervous system is responsible for increasing it. Therefore, the most likely way to slow down an increased heart rate is to increase parasympathetic activity and decrease sympathetic activity.

In Order to Slow an Increased Heart Rate, Which of the Following