Ketamine acts an which receptor: (A) GABAA, (B) GABAB, (C) NMDA, (D) Glutamate
Answer is C. Ketamine has multiple effects throughout the central nervous system, and it is well recognized to inhibit N-methyl-D-aspaate (NMDA) channels and neuronal hyperpolarization-activated cationic (HCN1) channels. Ref: Morgan & Mikhail's clinical anesthesiology 6e