Which of the following neurotransmitters affects neurons involved in the increased heart rate and the slowing of intestinal activity during stress?
A)Serotonin
B)Dopamine
C)Acetylcholine
D)Norepinephrine

Question

Quizplus · Accepted Answer

Norepinephrine is released by the sympathetic nervous system during stress and alters the activity of neurons involved in the "fight or flight" response, including increasing heart rate and reducing intestinal activity. Serotonin and dopamine are not typically associated with this physiological response, and while acetylcholine does play a role in heart rate regulation, it does not have the same effect on intestinal activity during stress as norepinephrine.

Which of the Following Neurotransmitters Affects Neurons Involved in the Increased