Certified Ambulatory Perianesthesia Nurse (CAPA) Practice Exam

What is the primary purpose of administering metoclopramide in the preoperative period?

1. Control intraoperative anesthesia requirements

2. Potential the effects of benzodiazepines

3. Promote gastric emptying

4. Increase gastric pH

The correct answer is: Promote gastric emptying

The primary purpose of administering metoclopramide in the preoperative period is to promote gastric emptying. Metoclopramide is a prokinetic agent that enhances gastrointestinal motility and accelerates gastric emptying by increasing the movement of the stomach and intestines. This is particularly important in the preoperative context, as it helps reduce the risk of aspiration during induction of anesthesia by ensuring that the stomach is emptied of its contents. By fostering quicker gastric evacuation, the patient is less likely to have residual gastric contents that could pose a risk if regurgitation occurs while under anesthesia. In the context of anesthesia, the other options hold less relevance in comparison. While metoclopramide does have some effect on reducing nausea and vomiting, its primary and most significant role during the preoperative phase revolves around enhancing gastric emptying. This action is crucial in preparing patients safely for surgery and minimizing complications related to aspiration.