The baroreceptor reflex would cause which of the following events to occur if the reflex was caused by an increase in blood pressure?
A) Increased parasympathetic stimulation of the heart
B) Increased heart rate
C) Increased cardiac output
D) Increased force of contraction
E) Increased sympathetic stimulation of the heart

Question

Quizplus · Accepted Answer

The baroreceptor reflex responds to changes in blood pressure. If blood pressure increases, the reflex acts to decrease it by increasing parasympathetic stimulation of the heart. This leads to a decrease in heart rate, not an increase, thereby helping to lower blood pressure back to normal levels.

The Baroreceptor Reflex Would Cause Which of the Following Events