Which of the following true of NMDA receptors?
A) Activation of the NMDA receptor allows sodium and calcium ions into the nerve cell.
B) NMDA receptors are metabotropic.
C) Glutamate is an antagonist for the NMDA receptor.
D) The activity of the NMDA receptor is not dependent on magnesium ions.
E) The NMDA receptor produces IPSPs.
Answer: A
Rationale: Activation of the NMDA receptor allows sodium and calcium ions into the nerve cell.
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