When a fist clenches to grasp a pencil, which neurotransmitter is most likely involved?
A) norepinephrine
B) serotonin
C) dopamine
D) acetylcholine
E) glutamate

Question

Quizplus · Accepted Answer

Acetylcholine is the primary neurotransmitter involved in muscle contraction, including the action of clenching a fist to grasp a pencil. It is released at the neuromuscular junction and stimulates muscle cells to contract.

When a Fist Clenches to Grasp a Pencil, Which Neurotransmitter