<prompt> All of the following are surgical options for morbid obesity except -Adjustable gastric bandingBiliopancreatic diversionDuodenal SwitchRoux en Y Duodenal By pass  <response>: Ans. is d i.e., Roux en Y Duodenal Bypass Bariatric surgical procedures include:a. Vertical banded gastroplastyb. Adjustable gastric bandingc. Roux-en Y gastric bypass Not - Roux-en Y Duodenal Bypassd. Biliopancreatic diversione. Duodenal switcho The surgical treatment of morbid obesity is known as bariatric surgery.o Morbid obesity is defined as body mass index of 35 kgm2 or more with obesity related comorbidity, or BMI of 40 kgm2 or greater without comorbidity.o Bariatric operations produce weight loss as a result of 2 factors. One is restriction of oralintake. The other is malabsorbtion of ingested food.o Gastric restrictive procedures include Vertical banded gastroplasty Adjustable gastric bandingo Malabsorbtive procedures include Biliopancreatic diversion, and Duodenal switcho Roux-en Y gastric bypass has features of both restriction and malabsorptionBariatric Operations: Mechanism of ActionRestrictiveVertical banded gastroplastyLaparoscopic adjustable gastric bandingLargely RestrictiveMildly MalabsorptiveRoux-en-Y gastric bypassLargely MalabsorptiveMildly RestrictiveBiliopancreatic diversionDuodenal switch 