<prompt> Vertical banding gastroplasty, also known as stomach stapling is done for?Gastric carcinomaAchalsia cardiaPerforated gastric ulcerMorbid obesity  <response>: ANSWER: D Morbid obesityREF: Sabiston Textbook of Surgery, 18th ed. Chapter 17Bariatric operations produce weight loss as a result of twTo factors. One is restriction of oral intake. The other is malabsorption of ingested food.Bariatric Operations: Mechanism of Action:RestrictiveVertical banded gastroplasty VBG historic purposes onlyLaparoscopic adjustable gastric banding LAGBLargely RestrictiveMildly Malabsorptive Roux-en-Y gastric bypass RYGBLargely MalabsorptiveMildly Restrictive Biliopancreatic diversion BPDDuodenal switch DS 