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Physiology

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Nerve Muscle Physiology

Question
3 out of 24
 

End plate potential follows which law(DNB Dec-2010)



A All or none law
B Depolarisation

C Hyperpolarisation
D Propagation

Ans. B Depolarisation

a. END-PLATE-POTENTIAL: - During the transmission at neuromuscular junction, the binding of acetylcholine to nicotinic Ach receptors increased the Na+ and K+ conductance of the membrane, and the resultant influx of the Na+ produces a depolarizing potentialQ, called End-plate potential.

b. IPSP due Hyperpolarization (Influx of cl- or efflux of K+).

c. EPSP due depolarization (Influx of Na+).

Nerve Muscle Physiology Flashcard List

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