In addition to the effects of weight loss, the resolution of type 2 diabetes mellitus after the gastric sleeve procedure and RYGB is thought to be contributed to by ?: (A) Reduced ghrelin production, (B) Increased secretion of glucagon-like peptide-1 (GLP-1), (C) Appetite suppression, (D) All of the above
Answer is D. Gastrectomy removes much of the Ghrelin-producing poion of the stomach, leading to weight loss after both gastric sleeve and RYGB procedures. GLP-1, is dramatically increased after RYGB, and after gastric sleeve