Which of the following agents counteract the effects of insulin and oral hypoglycemic agents?

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Epinephrine, a hormone released by the adrenal glands in response to physical illnesses or stress, increases blood sugar levels and opposes the action of insulin. It is sometimes referred to as a "counter-regulatory hormone," as is glucagon. Sulfonylureas are a class of oral hypoglycemic agents used to lower blood sugars in type 2 diabetes mellitus. Caloric restriction, such as is used in American Diabetic Association diets, also brings blood glucoses down; it is used in conjunction with regular exercise and diabetic medications like insulin. Angiotensin-converting enzyme inhibitors are drugs used to control blood pressure and to protect the kidneys of patients with diabetes mellitus. They do not oppose the effects of insulin or oral hypoglycemic agents.

Which of the Following Agents Counteract the Effects of Insulin