PATHOLOGY MCQ
NERVOUS SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Propagation is ____
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along myelinated axons it moves at a speed of about 18-140 meters per second (18-140 mph)
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along unmyelinated axons it moves at a speed of about 1 meter per second (2 mph)
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the spread of action potential down the axon
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None of the above
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Explanation:
Detailed explanation-1: -Propagation. The action potential generated at the axon hillock propagates as a wave along the axon. The currents flowing inwards at a point on the axon during an action potential spread out along the axon, and depolarize the adjacent sections of its membrane.
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