Action Potentials Are Normally Carried in Only One Direction: from the Axon

question 16

Multiple Choice

Action potentials are normally carried in only one direction: from the axon hillock toward the axon terminals.If you experimentally depolarize the middle of the axon to threshold,then

• A)no action potential will be initiated.
• B)an action potential will be initiated and proceed only in the normal direction toward the axon terminal.
• C)an action potential will be initiated and proceed only back toward the axon hillock.
• D)two action potentials will be initiated,one going toward the axon terminal and one going back toward the hillock.
• E)an action potential will be initiated,but it will die out before it reaches the axon terminal.

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