Which of the Following Statements Concerning the Absolute Refractory Period

question 115

Multiple Choice

Which of the following statements concerning the absolute refractory period is inaccurate?

• A) the absolute refractory period refers to the period of time during which another action potential cannot be initiated
• B) the absolute refractory period corresponds to the time period during which the Na⁺ gates are first opened and then closed and inactivated.
• C) the relative refractory period immediately follows the absolute refractory period
• D) the absolute refractory period occurs during the after hyperpolarization phase of the action potential.
• E) the absolute and relative refractory periods assure the unidirectional spread of the action potential down the nerve fiber away from the initial site of activation.

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