A nurse is providing preoperative teaching to a client for bariatric surgery. Which patient statement indicates a need for further teaching?

Choice A rationale Preoperative liquid diets are essential for bariatric patients to reduce the volume of the liver. A smaller liver provides better surgical access to the stomach and minimizes the risk of intraoperative complications or liver lacerations. This dietary restriction also promotes initial weight loss and shrinks visceral fat stores. The patient must demonstrate compliance with these protocols to ensure a safer laparoscopic approach and successful surgical outcomes during the procedure. Choice B rationale Bariatric procedures significantly alter the anatomy of the gastrointestinal tract, leading to permanent malabsorption of essential micronutrients. Patients typically require lifelong supplementation of vitamin B12, iron, calcium, and fat-soluble vitamins because the duodenum and proximal jejunum are often bypassed. Failure to adhere to a strict vitamin regimen can result in severe deficiencies, anemia, or metabolic bone disease. Education focuses on the permanent nature of these nutritional requirements to prevent long-term neurological or physiological damage. Choice C rationale Postoperative bariatric patients must follow a very strict, staged dietary progression rather than resuming normal eating habits immediately. The recovery process involves transitioning from clear liquids to full liquids, pureed foods, and then soft foods over several weeks. Resuming a regular diet too early can cause surgical staple line leaks, severe dumping syndrome, or gastric outlet obstruction. This statement identifies a critical knowledge gap regarding the necessary behavioral changes required for successful surgical recovery. Choice D rationale Smoking cessation is a mandatory preoperative requirement because nicotine causes vasoconstriction and impairs wound healing. For bariatric patients, tobacco use significantly increases the risk of marginal ulcers, surgical site infections, and pulmonary complications like pneumonia or atelectasis. Surgeons often require a period of abstinence, sometimes verified by cotinine testing, before proceeding with the operation. Stopping smoking optimizes tissue oxygenation and improves the overall safety profile for the patient undergoing anesthesia and major abdominal surgery.