Which of the Following Statements Best Describes the Propagation of Action

question 28

Multiple Choice

Which of the following statements best describes the propagation of action potentials?

• A) The action potential is reproduced down the length of the axon.
• B) One action potential is formed at the axon hillock,and this same signal travels down the length of the axon.
• C) When the axon hillock reaches threshold,action potentials are simultaneously formed down the length of the axon.
• D) One action potential is formed at the axon hillock,triggering the movement of chemical messengers that travel the length of the axon.

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Definitions:

Hydrochloric Acid

A strong acid composed of hydrogen and chlorine, found in the stomach, where it aids in digestion.

Vinegar

A sour liquid produced from the fermentation of ethanol, commonly used as a condiment and for preservation.

Circumferential Lamellae

Layers of compact bone that wrap around the long bone beneath the periosteum or around the entire circumference of the marrow cavity.

Interstitial

Relating to or situated in the spaces between cells in a tissue or organ.