Difficulty: Medium
Average Score: 93%
Simulated
A client with panic disorder is taking alprazolam (Xanax) 1 mg P.O. three times daily. The nurse understands that this medication is effective in blocking the symptoms of panic because of its specific action on which of the following neurotransmitters?
Correct answer
A
Rationale
Alprazolam enhances gamma-aminobutyrate (GABA), an inhibitory neurotransmitter, reducing neuronal excitability and blocking panic symptoms.