Question

______ is a benzodiazepine drug that is useful in the treatment of anxiety.
psilocin
methadone
valium

Explanation:

• Psilocin is a hallucinogenic compound, not a benzodiazepine.
• Methadone is an opioid used mainly in the treatment of opioid use disorder, not for anxiety.
• Valium (diazepam) is a benzodiazepine drug. Benzodiazepines work by enhancing the effect of the neurotransmitter GABA in the brain, which has a calming effect, making them useful in treating anxiety.

Answer:

Valium