When Several IPSPs Arrive at the Axon Hillock Rapidly in Sequence

question 58

Multiple Choice

When several IPSPs arrive at the axon hillock rapidly in sequence from a single presynaptic location,hyperpolarizing the postsynaptic cell more and more and thus preventing an action potential,this is an example of

• A)temporal summation.
• B)spatial summation.
• C)tetanus.
• D)the refractory state.
• E)an action potential with an abnormally high peak of depolarization.

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