The induction of long-term potentiation in the hippocampus would be blocked by
a. a drug such as AP5 that blocks NMDA receptors.
b. using high-frequency electrical pulses.
c. a drug that activates NMDA receptors.
d. injection into the postsynaptic cell of a drug that activates calcium ions.
e. infusion of glutamate into the hippocampus.
Answer: a. a drug such as AP5 that blocks NMDA receptors.
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