Single Answer MCQ
Q-00019240

What triggers the release of neurotransmitters at the synapse?

1

Hormonal signals

2

Electrical impulses

3

Chemical gradients

4

Environmental changes

Answer and Solution

Answer

B. Electrical impulses

Solution:

The correct answer is Electrical impulses. When an electrical impulse reaches the end of an axon, it prompts the release of neurotransmitters at the synapse, allowing communication between neurons.

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