Correct Answer: A

Rationale: The correct answer is to instruct the client to brush and floss their teeth regularly. Phenytoin can lead to gingival hyperplasia, making oral hygiene crucial to prevent complications. Encouraging good oral care practices helps reduce the risk of adverse effects on the gums and teeth.

Correct Answer: A

Rationale: Prednisone can lead to potassium depletion, making it important for clients to increase their intake of potassium-rich foods like bananas, oranges, and spinach to prevent potential complications.

Correct Answer: C

Rationale: The correct answer is C. When discontinuing Escitalopram, the client should taper the medication slowly according to a prescribed dosing schedule to reduce the risk of withdrawal syndrome. Abruptly stopping the medication can lead to withdrawal symptoms, so it is important to follow the healthcare provider's instructions for gradual discontinuation.

Correct Answer: C

Rationale: The correct answer is 'C: Sore throat.' Doxorubicin is known to have immunosuppressive effects, which can predispose the client to infections. A sore throat can be an early sign of infection, and prompt reporting to the healthcare provider is crucial to initiate appropriate interventions and prevent complications.

Correct Answer: A

Rationale: Metformin should be taken with meals to reduce gastrointestinal side effects and ensure better absorption. Instructing the client to take the medication with the first bite of food helps in achieving optimal effectiveness and minimizes the risk of side effects like nausea or upset stomach.