Which one of the following is not an NMDA receptor?: (A) Kappa, (B) Kainate, (C) AMPA, (D) Glutamate
Answer is A. Ans: A (Kappa) Ref: Basic & Clinical Pharmacology, Katzung 12th ed p.367 Explanation: Kappa is an opioid receptor whereas the others are NMDA receptors.