Insulin is synthesized by which specific cell type located in the Islets of Langerhans of the pancreas?

Answer and explanation

Correct answer: B. Beta () cells

  1. Step 1: The endocrine pancreas comprises clusters of cells designated as the Islets of Langerhans, containing multiple hormone-producing cell populations.
  2. Step 2: Beta () cells constitute approximately of islet cells and are responsible for synthesizing and secreting insulin in response to elevated blood glucose.
  3. Step 3: Alpha () cells produce glucagon, delta () cells produce somatostatin, and PP cells produce pancreatic polypeptide.
Answer
Beta () cells.
Why not the others: Alpha () cells synthesize and secrete glucagon to elevate blood sugar; Delta () cells produce somatostatin, which inhibits both insulin and glucagon release; PP (F) cells produce pancreatic polypeptide, which regulates exocrine and biliary secretions.

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