Which of the following neurotransmitters affects neurons involved in 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 a neurotransmitter that affects neurons involved in the "fight or flight" response of the sympathetic nervous system. It increases heart rate and inhibits intestinal activity, preparing the body for a potential threat or stressor. Serotonin is involved in mood regulation, dopamine is involved in reward and motivation, and acetylcholine is involved in muscle contraction and cognitive function.

Which of the Following Neurotransmitters Affects Neurons Involved in Increased