Certified Neuroscience Registered Nurse (CNRN) Practice Exam

Which of the following should be avoided after gastric bypass surgery?

1. Caffeine, processed foods, and sweetened drinks

2. Meat, dairy products, and legumes

3. Whole grains, fruits, and nuts

4. Water, herbal tea, and clear broths

The correct answer is: Caffeine, processed foods, and sweetened drinks

After gastric bypass surgery, it is crucial for patients to follow specific dietary guidelines to ensure successful recovery and nutrient absorption. The recommended choice highlights the importance of avoiding caffeine, processed foods, and sweetened drinks. Caffeine can potentially lead to dehydration, stimulate the gastrointestinal tract, and may promote dumping syndrome—a condition that some patients experience after gastric bypass surgery characterized by rapid gastric emptying that causes nausea, abdominal pain, and diarrhea when high-sugar foods are consumed. Additionally, processed foods often contain high levels of sugar, unhealthy fats, and calories, which can lead to weight regain and nutritional deficiencies. Sweetened drinks contribute to similar issues, as they can increase the risk of dumping syndrome and provide empty calories without nutritional benefit. The other options, which include various food groups, can generally be consumed in controlled amounts post-surgery. Meat, dairy products, and legumes offer necessary protein and nutrients when introduced properly. Whole grains, fruits, and nuts provide fiber and vitamins that are beneficial for overall health. Meanwhile, water, herbal tea, and clear broths are typically recommended to maintain hydration and support digestion.