An Axon Is to a Telephone Line as Myelin Is

question 59

Multiple Choice

An axon is to a telephone line as myelin is to _______.

• A) a telephone
• B) a telephone switchboard
• C) rubber wire insulation
• D) telephone poles
• E) a telephone jack

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Definitions:

Electrical Impulse

An electrical charge that moves through neurons, enabling signals to be transmitted throughout the body, including to and from the brain.

Chain Reaction

A series of chemical reactions where the product or by-product of one reaction initiates another.

Contraction

The process of muscle fibers shortening in response to a stimulus, leading to movement or increased tension.

Cardiac

Relating to the heart, especially in terms of its function or diseases.