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Kaplan Qbank USMLE



Author6 Posts
  #1

An inhibitory postsynaptic potential:

A. Depolarizes the postsynaptic membrane by opening Na+ channels
B. Depolarizes the postsynaptic membrane by opening K+ channels
C. Hyperpolarizes the postsynaptic membrane by opening Ca2+ channels
D. Hyperpolarizes the postsynaptic membrane by opening Cl- channels

  #2

D hyperpolarizes the mem by opening Cl channels

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  #3

D...

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  #4

D. Hyperpolarizes the postsynaptic membrane by opening Cl- channels

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  #5

U all correct any thing make inside more negative( Cl influx or K efflux) lead to hyperpolarization.

  #6

GABA and glycine r inh transmitters dat hyperpolarize the inside of mem

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