Acetylcholine helps _____ muscle contraction in the somatic nervous system (SNS), whereas it acts to _____ muscle contraction in the autonomic nervous system (ANS).
A)excite; excite or inhibit
B)inhibit; slow down
C)excite; inhibit
D)inhibit; excite

Question

Quizplus · Accepted Answer

Acetylcholine excites muscle contraction in the somatic nervous system by stimulating skeletal muscles. In the autonomic nervous system, it can either excite or inhibit muscle contraction depending on the type of receptor it binds to (e.g., muscarinic or nicotinic receptors).

Acetylcholine Helps _____ Muscle Contraction in the Somatic Nervous System