When the Blood Pressure Becomes Elevated Above Normal

When the blood pressure becomes elevated above normal,

A) the carotid-sinus and aortic-arch baroreceptors increase their rate of firing.
B) the cardiovascular control center decreases sympathetic and increases parasympathetic activity to the heart and blood vessels.
C) arteriolar vasodilation occurs as a compensatory response.
D) two of these answers.
E) all of these answers.