The nurse is teaching a child with type I diabetes mellitus to administer insulin. The child is receiving a combination of short-acting and long-acting insulin.The nurse knows that the child has appropriately learned the technique when the child:

The correct answer is Choice B.Choice A rationaleInsulin should be administered subcutaneously, not intramuscularly. Rotating sites is important to prevent lipodystrophy, but the correct technique involves subcutaneous injection.Choice B rationaleDrawing up the short-acting insulin into the syringe first is correct. This prevents contamination of the short-acting insulin vial with long-acting insulin, ensuring accurate dosing.Choice C rationaleWiping off the needle with an alcohol swab is not recommended. The needle should remain sterile, and only the top of the insulin vial should be wiped with an alcohol swab.Choice D rationaleAdministering insulin at a 30-degree angle is incorrect. Insulin should be administered at a 90- degree angle if the person can grasp 2 inches of skin, or at a 45-degree angle if only 1 inch of skin can be grasped.