Which neurotransmitter is released at the mammalian neuromuscular junction?
Correct answer: D. Acetylcholine
- A. Dopamine
- B. Norepinephrine
- C. Serotonin
- D. Acetylcholine
Explanation
Somatic motor neurons release acetylcholine at the neuromuscular junction, where it binds nicotinic receptors on the skeletal muscle fibre. Norepinephrine is commonly associated with sympathetic autonomic nerve endings, not the skeletal motor end plate.
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Covers the gross and microscopic structure of domestic animals, including bones, joints, muscles, organs, blood vessels and nerves. It explains how the respiratory, cardiovascular, digestive, urinary, nervous, endocrine and reproductive systems function, with attention to species differences and the relationship between anatomical structure and physiological processes.
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