The main function of myelin is to:
Correct answer: A. form a protective coating over nerve axons
- A. form a protective coating over nerve axons
- B. affect the speed nerve impulses
- C. block the reception of acetylcholine
- D. aid a nerve's receptivity to neurotransmitters by increasing the number of receptor sites available
Explanation
Myelin forms an insulating protective sheath around many axons, allowing nerve impulses to travel more efficiently and rapidly. It does not block acetylcholine or increase neurotransmitter receptor sites.
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