When blood pressure falls below normal,what happens to restore the blood pressure toward normal?
A) The rate of firing in the afferent nerves originating from the carotid-sinus and aortic-arch baroreceptors increases.
B) The rate of firing in the afferent nerves originating from the carotid-sinus and aortic-arch baroreceptors decreases.
C) The rate of firing in the afferent nerves originating from the carotid-sinus and aortic-arch baroreceptors does not change.
D) The peripheral arterioles undergo vasodilation.
Correct Answer:
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