Question 1
D cells in the islet of Langerhans secrete
◦ insulin.
◦ glucagon.
◦ amylin.
◦ pancreatic polypeptide.
◦ somatostatin.
Question 2
When blood glucose levels increase, as in the "fed" state,
◦ only glucagon is secreted.
◦ only insulin is secreted.
◦ only peripheral cells take up less glucose.
◦ only protein synthesis decreases.
◦ All of these answers are correct.