Using animal experiments, how to prove that carotid sinus baroreceptive reflex is a negative feedback regulation
A.
Injection of norepinephrine causes blood pressure to rise
B.
Injecting epinephrine causes rapid heart rate
C.
Injection of ACh causes blood pressure to drop
D.
Isolate the carotid sinus, change the intrasinus pressure, and observe the change of blood pressure in the animal