This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Robotics, Laparoscopy and Bariatric Surgery, Subject name: Surgery
Which of the following bariatric procedures is primarily intended to induce weight loss through malabsorption and restriction? 
Select and explain. 
A. Adjustable gastric band, B. Sleeve gastrectomy, C. Roux-en-Y gastric bypass (RYGB), D. Duodenal switch
C: Roux-en-Y gastric bypass (RYGB)
Answer: C: Roux-en-Y gastric bypass (RYGB) 
Explanation: Bariatric procedures are classified as restrictive, malabsorptive, or a combination of restrictive and malabsorptive in the mechanism of weight loss that they induce. Restrictive operations include adjustable gastric band and gastric sleeve, malabsorptive operations include duodenal switch and biliopancreatic diversion, and combined restrictive and malabsorptive procedures include the Roux-en-Y gastric bypass (RYGB).