What Would Probably Happen If a Long Neuron Had One

question 24

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 signal would fade because it is not renewed by the opening of more sodium channels.
• B) There could be no action potential generated at the axon hillock.
• C) The action potential would be propagated nearly instantaneously to the synapse.
• D) None of the above could happen.

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Definitions:

Fraternal Twins

Siblings born at the same time who are genetically as similar as regular siblings because they come from two different eggs fertilized by two different sperm.

Polygenetic

Relating to the contribution of multiple genes in the determination of a particular trait or characteristic, often resulting in a wide spectrum of possible outcomes.

Intelligence

The ability to acquire and apply knowledge and skills.

Family-Environment Effect

This refers to the impact that the immediate family environment has on an individual's development, including their behaviors, attitudes, and emotional well-being.