A tight collar might trigger the baroreceptor reflex because the
A)carotid baroreceptors sense a change in the osmolarity of the blood flowing through the carotid arteries.
B)carotid baroreceptors interpret the elevated carotid pressure as an elevation of blood pressure.
C)tight collar occludes blood flow to the brain,causing cerebral artery spasms.
D)tight collar impairs drainage of cerebral venous blood,causing cerebral edema.

Question

Quizplus · Accepted Answer

The carotid baroreceptors detect changes in blood pressure and send signals to the brainstem to regulate heart rate and blood pressure. If there is pressure applied to the carotid arteries, such as from a tight collar, the baroreceptors may interpret this as an elevation in blood pressure and trigger the baroreceptor reflex.

A Tight Collar Might Trigger the Baroreceptor Reflex Because the