Question

The hormones A and B secreted by Islet of Langerhans cause hyperglycemia and hypoglycemia, respectively.

• A. A:insulin, B:glucagon
• B. A:somtatostatin, B:insulin
• C. A:glucagon, B:insulin
• D. A:insulin, B:somatostatin

Answer 1

Answer: (C)

The α-cells of the Islets of Langerhans are responsible for the secretion of glucagon. Glucagon is responsible for glycogenolysis. Hence, it causes hyperglycemia. The β-cells of the Islet of Langerhans are responsible for the secretion of insulin. Insulin is responsible for glycogenesis and hence causes hypoglycemia.