Correct Answer: D

Rationale: Prednisone is a corticosteroid that can cause hyperglycemia. The nurse should monitor the client's serum glucose levels closely to assess for elevated blood sugar levels.

Correct Answer: C

Rationale: The correct answer is to instruct the client to avoid drinking grapefruit juice. Grapefruit juice can inhibit the metabolism of Verapamil, leading to increased blood levels of the medication, which can potentiate its effects, potentially causing adverse reactions like hypotension and bradycardia.

Correct Answer: D

Rationale: When a client is prescribed Prednisone, monitoring serum glucose levels is essential. Prednisone, a corticosteroid, can lead to hyperglycemia. Therefore, regular monitoring of serum glucose helps in detecting and managing any potential hyperglycemic effects of the medication.

Correct Answer: B

Rationale: A 17-year-old can be immunized for influenza with the LAIV via nasal spray. A hypersensitivity to penicillin is not a contraindication for an influenza immunization. Nasal spray influenza vaccine is generally recommended for healthy individuals between 2 and 49 years old.

Correct Answer: B

Rationale: The correct administration of Nitroglycerin sublingual tablets involves taking one tablet at the onset of chest pain and repeating every 5 minutes for up to three doses. If the pain persists after three doses, emergency medical services should be contacted for further evaluation and management.