What is the correct sequence for the following events at the neuromuscular junction?
1)Impulse travels along sarcolemma to the T-tubules.
2)Nerve impulse reaches axon terminal.
3)Neurotransmitter reacts with receptors on sarcolemma.
4)Neurotransmitter is released into synaptic cleft.
A) 1, 2, 4, 3
B) 2, 4, 3, 1
C) 2, 1, 4, 3
D) 4, 3, 2, 1
E) 3, 2, 4, 1

Question

Quizplus · Accepted Answer

The correct sequence is 2, 4, 3, 1. The nerve impulse reaches the axon terminal (2), causing the release of the neurotransmitter into the synaptic cleft (4). The neurotransmitter then reacts with the receptors on the sarcolemma (3), leading to the initiation of an action potential that travels along the sarcolemma and into the T-tubules (1).

What Is the Correct Sequence for the Following Events at the Neuromuscular