Place the Following Events in the Correct Order

question 72

Multiple Choice

Place the following events in the correct order.
1) ACh is released into the synaptic cleft.
2) Synaptic vesicles fuse with the plasma membrane.
3) A muscle action potential is triggered.
4) An action potential arrives at the synaptic end bulb.
5) ACh binds to receptors on the motor end plate.

• A) 2, 4, 5, 1, 3
• B) 4, 3, 1, 2, 5
• C) 1, 2, 4, 3, 5
• D) 4, 2, 1, 5, 3

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