A nurse is reinforcing teaching with an adolescent who has type 1 diabetes mellitus. Which of the following instructions should the nurse include In the teaching?

Inject insulin in the deltoid muscle: Insulin is administered subcutaneously, not intramuscularly. Common sites for insulin injection include the abdomen, thighs, and upper arms. B. Take glyburide with breakfast: Glyburide is an oral hypoglycemic agent used for type 2 diabetes, not type 1 diabetes. Adolescents with type 1 diabetes require insulin. C. Obtain an influenza vaccine annually: People with diabetes are at higher risk for complications from influenza, so annual vaccination is recommended to prevent illness. D. Administer glucagon for hyperglycemia: Glucagon is used to treat severe hypoglycaemia, not hyperglycaemia. For hyperglycemia, insulin administration and monitoring blood glucose levels are key.