Diff: 1 Page Ref: 395 6) An excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle is ________.
A. cholinesterase
B. norepinephrine
C. acetylcholine
D. gamma aminobutyric acid
Answer:C
Diff: 1 Page Ref: 395 6) An excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle is ________.
A. cholinesterase B. norepinephrine C. acetylcholine D. gamma aminobutyric acid