Neural Control And Coordination Question 52

Question: How are neurons structurally adapted to chemically transmit impulses to neighboring neurons?

Options:

A) The trigger zone is near the cell body.

B) Axon terminals contain neurotransmitter substances within synaptic vesicles.

C) Schwann cells surround axons.

D) They have numerous dendrites.

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Answer:

Correct Answer: B

Solution:

[b] Numerous sacs called synaptic vesicles located in the cytoplasm at the tip of the presynaptic axon release molecules of a neurotransmitter across the synaptic cleft, which bind to receptors imbedded in the membrane of the postsynaptic cell.