NCLEX Practice Quiz: Evaluating the Therapeutic Effect of Prochlorperazine (Compazine) Postoperatively NCLEX Practice Quiz: Evaluating the Therapeutic Effect of Prochlorperazine (Compazine) Postoperatively The medication Prochlorperazine (Compazine) is given to patients after surgery. The nurse must monitor the effectiveness of the drug by observing if the patient experiences relief from which of the following symptoms:* 1. Nausea. 2. Dizziness. 3. Abdominal spasms. 4. Abdominal distention. Δ