In a Skeletal Muscle Contraction, Which Neurotransmitter Is Released at the Axon

question 22

Multiple Choice

In a skeletal muscle contraction, which neurotransmitter is released at the axon terminal to trigger an action potential in the muscle cell?

• A) acetylcholine
• B) tropomyosin
• C) Ca²⁺
• D) troponin

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