A sudden increase in pressure within the carotid sinus leads to

Question

Quizplus · Accepted Answer

A sudden increase in pressure within the carotid sinus activates the baroreceptor reflex, which leads to an increase in parasympathetic nerve activity and a decrease in sympathetic nerve activity. This results in decreased heart rate and vasodilation, leading to a decrease in both cardiac output and peripheral resistance. Therefore, the best choice only is B, increased parasympathetic nerve activity.

A Sudden Increase in Pressure Within the Carotid Sinus Leads