The time interval between two subsequent contractions of a muscle fibre is .................. period.
A
Incubation
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B
Refractory
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C
Gestation
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D
None of the above
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Solution
The correct option is A Refractory The refractory period is the amount of time it takes for an excitable membrane to be ready for a second stimulus once it returns to its resting state following excitation. It is a period during which a nerve or muscle is incapable of responding to stimulation, immediately following a previous stimulation.