Which of These Events Happens When an Action Potential Reaches

question 278

Multiple Choice

Which of these events happens when an action potential reaches the presynaptic terminal of the motor neuron

• A)Calcium is released inside the muscle fibre.
• B)Acetylcholine is released into the synaptic cleft.
• C)Acetylcholinesterase is released into the synaptic cleft.
• D)Physical contact between the motor neuron and the muscle fibre occurs.

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