What happens when blood pressure becomes elevated above normal?
A) The carotid-sinus and aortic-arch baroreceptors decrease their rate of firing.
B) The cardiovascular control centre decreases sympathetic and increases parasympathetic activity to the heart and blood vessels.
C) Arteriolar vasoconstriction occurs as a compensatory response.
D) Salt retention occurs in the kidneys.
Correct Answer:
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