How would a hemorrhage immediately affect the activity of the baroreceptors?
A. The baroreceptors would decrease their rate of firing to all medullary cardiovascular center cell types.
B. The baroreceptors would increase their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and decrease their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways.
C. A hemorrhage would not affect the activity of the baroreceptors.
D. The baroreceptors would decrease their rate of firing to cells in the medulla oblongata that activate sympathetic pathways and increase their rate of firing to cells in the medulla oblongata that activate parasympathetic pathways.
E. The baroreceptors would increase their rate of firing to all medullary cardiovascular center cell types.
Answer: A
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