During the Late Phase of an Action Potential, the Threshold

question 52

Multiple Choice

During the late phase of an action potential, the threshold for activating a subsequent action potential is larger than when the neuron is at rest. This relative refractory period is due to a very large

• A) increase in sodium conductance.
• B) increase in potassium conductance.
• C) decrease in potassium conductance.
• D) increase in chloride conductance.
• E) decrease in calcium conductance.

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