Which Statement Is True Regarding Action Potential Propagation

question 47

Multiple Choice

Which statement is true regarding action potential propagation?

• A) In salutatory conduction, the myelin is composed of fat, which insulates the axon membrane against sodium ion flow across the membrane.
• B) Continuous propagation results in one graded potential producing multiple action potentials.
• C) The action potential will die out along the axon if another graded potential does not occur.
• D) All voltage-gated channels along the axon open at the same time, allowing sodium to flow in simultaneously.
• E) The active transport of sodium and potassium through sodium-potassium ion pumps causes depolarization of the axon membrane.

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