Post-tetanic potentiation is due to –
Correct Answer: Increased availability of Ca++
Description: Ans. is 'c' i.e., Increased availability of Ca++ "Repetitive stimulation enhances force development due to rise in intracellular Ca++, a phenomenon called posttetanic potentiation. It is due to increased phosphorylation of myosine light chain with increased number of cross bridges."
Category:
Physiology
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