Sympathetic effects tend to last __________ than parasympathetic effects.One reason is that __________.
A) shorter;acetylcholine can diffuse into the bloodstream without being broken down
B) longer;norepinephrine can diffuse into the bloodstream without being broken down
C) about the same;the two divisions use the same neurotransmitters
D) shorter;acetylcholine is broken down by acetylcholinesterase (AChE)
E) longer;acetylcholine is broken down by monoamine oxidase (MAO)

Question

Quizplus · Accepted Answer

Sympathetic effects tend to last longer because norepinephrine, the neurotransmitter primarily used by the sympathetic nervous system, can diffuse into the bloodstream without being immediately broken down, prolonging its effects compared to the parasympathetic system, which primarily uses acetylcholine.

Sympathetic Effects Tend to Last __________ Than Parasympathetic Effects