Weight Loss Surgery Cheat Sheet 2026

The 30 highest-yield Weight Loss Surgery facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

  1. What is the main clinical purpose of requiring H. pylori testing and treatment before bariatric surgery? To reduce risk of marginal ulcers and anastomotic complications
  2. What is dumping syndrome, and when does it typically occur after bariatric surgery? Rapid emptying of stomach contents into the small intestine, causing nausea and diarrhea
  3. Which comorbidity is LEAST likely to show improvement after bariatric surgery? Established chronic kidney disease (CKD stage 4–5)
  4. What is the recommended minimum daily fluid intake for bariatric surgery patients? 64 oz (1.9 liters)
  5. Protein calorie malnutrition after bariatric surgery most commonly presents with which clinical findings? Muscle wasting, hair loss (telogen effluvium), fatigue, and low serum albumin
  6. Why are carbonated beverages discouraged after bariatric surgery? They may stretch the gastric pouch and cause discomfort
  7. What pre-operative diet is commonly required before bariatric surgery and what is its primary purpose? High-protein low-calorie diet to shrink the liver and reduce surgical risk
  8. Depression rates in bariatric surgery candidates are significantly higher than in the general population, estimated at: 30–50%
  9. What is 'weight regain' after bariatric surgery typically defined as? Gaining back ≥ 50% of excess weight lost
  10. Which cardiovascular risk factor shows the most consistent improvement after bariatric surgery? Elevated triglycerides and low HDL cholesterol
  11. What is the minimum BMI threshold for bariatric surgery eligibility according to standard NIH guidelines? BMI ≥ 40
  12. Late dumping syndrome symptoms typically occur how long after eating? 1–3 hours after eating
  13. What is the minimum Body Mass Index (BMI) to qualify for weight loss surgery? All of the above
  14. At what point after bariatric surgery is it typically safe to begin introducing solid foods? 4–6 weeks
  15. What is the 'alimentary limb' (Roux limb) in a Roux-en-Y gastric bypass? The portion of small intestine connected directly to the gastric pouch to carry food
  16. What is a marginal ulcer in the context of Roux-en-Y gastric bypass? An ulcer at the anastomosis (connection) between the gastric pouch and small intestine
  17. How much protein should bariatric surgery patients aim to consume daily in the long term? 60–80 grams
  18. Quality of life (QOL) improvements after bariatric surgery are typically greatest in which domain? Physical functioning and reduction of obesity-related medical conditions
  19. Body image dissatisfaction after significant weight loss may lead to which psychological issue in some bariatric patients? Body dysmorphic disorder or persistent negative body image despite successful weight loss
  20. How much excess weight is possible to remove through weight reduction surgery? 50 to 80 percent
  21. What is the long-term mortality benefit associated with bariatric surgery compared to non-surgical obesity management? 30–40% reduction in long-term all-cause mortality
  22. Which condition is a relative contraindication to bariatric surgery? Uncontrolled psychiatric disorder
  23. What is the primary purpose of the pre-operative liquid diet prescribed before bariatric surgery? Shrink the liver to improve surgical access
  24. Which medication class should be strictly avoided after gastric bypass due to high risk of marginal ulcers? Nonsteroidal anti-inflammatory drugs (NSAIDs)
  25. Which mineral deficiency can result in hair loss and impaired wound healing after bariatric surgery? Zinc
  26. What is the typical cost of weight loss surgery? $14,000 to $23,000
  27. What is the LAGB procedure and what does the acronym stand for? Laparoscopic Adjustable Gastric Banding
  28. Which food texture should bariatric patients prioritize at every meal to meet nutritional goals? Protein-rich foods
  29. How frequently should bariatric patients have laboratory nutritional monitoring in the first year post-surgery? Every 3–6 months for the first year, then annually
  30. An obesity-related condition is Premature osteoarthritis