Question..........................6 - psychmledr

[ArchivalUser]

A 40-year-old man was given a drug that binds to a subunit of the GABA(A) receptor. When used at a high dose, the drug can open Cl- (chloride) channels independent of GABA. What drug was the man given?

A. Dronabinol
B. Diazepam
C. Baclofen
D. Phenobarbital
E. Ethanol

[ArchivalUser]

BB

[ArchivalUser]

Note in the Q, "When used at a high dose"

[ArchivalUser]

DD

[ArchivalUser]

Yes, "D" is correct because phenobarb has GABA-mimetic activity at high doses.

Thanks.