When the interval between the stimuli decreases, _______. A. a second action potential is generated until the interval reaches the ab

Question

When the interval between the stimuli decreases, _______.
A. a second action potential is generated until the interval reaches the absolute refractory period
B. a second action potential is generated regardless of the stimulus and the interval
C. a second action potential is generated until the interval reaches the relative refractory period
D. a second action potential is generated as long as the stimulus is above threshold

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King 6 months 2021-07-17T10:24:24+00:00 1 Answers 23 views 0

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    2021-07-17T10:25:41+00:00

    Answer:

    The correct option is A. a second action potential is generated until the interval reaches the absolute refractory period.

    Explanation:

    The inter-stimulus interval (ISI) is the temporal interval between two successive stimuli, measured from the offset of the first stimulus to the commencement of the second.

    A cell’s refractory period is the time during which it is unable to replicate an action potential. Therefore, the absolute refractory period is the amount of time it takes for a second action potential to be initiated, regardless of how large a stimulus is applied repeatedly.

    A second action potential is generated when the gap between the stimuli decreases until the interval reaches the absolute refractory period.

    Therefore, the correct option is A. a second action potential is generated until the interval reaches the absolute refractory period.

    That is, when the interval between the stimuli decreases, a second action potential is generated until the interval reaches the absolute refractory period.

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