What Would Probably Happen If a Long Neuron Had One

question 43

Multiple Choice

What would probably happen if a long neuron had one continuous myelin sheath down the length of the axon with no nodes of Ranvier?

• A) The action potential would be propagated nearly instantaneously to the synapse.
• B) There could be no action potential generated at the axon hillock.
• C) The signal would fade because it is not renewed by the opening of more sodium channels.
• D) Only potassium could move across the membrane, but not sodium.

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Definitions:

9-point Scale

A scale often used in surveys and research to rate or assess opinions, attitudes, or behaviors, where 1 typically indicates the lowest extent and 9 the highest.

Significance Level

The probability of erroneously rejecting the true null hypothesis in statistical testing, often denoted by alpha.

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9-point Scale

A rating scale often used in surveys and questionnaires that offers 9 points for respondents to express their level of agreement or satisfaction.