How does the drug glucagon work to treat hypoglycemia? A. It acts on the liver to release stored glucose from glycogen. B. It is a concentrated form of glucose in which 1 mL is equal to 50 g of...

How does the drug glucagon work to treat hypoglycemia?

A. It acts on the liver to release stored glucose from glycogen.

B. It is a concentrated form of glucose in which 1 mL is equal to 50 g of glucose.

C. Glucagon inactivates circulating insulin, thus preventing blood glucose levels from decreasing.

D. Glucagon prevents insulin from binding to insulin receptors, thus acting as an insulin antagonist.