Activation of the sympathetic division of the autonomic nervous system produces ____ in heart rate, and activation of the parasympathetic division produces ____.
A) increases . . . additional increases in heart rate
B) increases . . . decreases in heart rate
C) decreases . . . increases in blood pressure
D) decreases . . . additional decreases in heart rate

Question

Activation of the sympathetic division of the autonomic nervous system produces ____ in heart rate, and activation of the parasympathetic division produces ____.​
A) ​increases . . . additional increases in heart rate
B) ​increases . . . decreases in heart rate
C) ​decreases . . . increases in blood pressure
D) ​decreases . . . additional decreases in heart rate

Quizplus · Accepted Answer

Activation of the sympathetic division of the autonomic nervous system increases heart rate, while activation of the parasympathetic division decreases heart rate. Therefore, option B is the correct choice.

Activation of the Sympathetic Division of the Autonomic Nervous System