Correct Answer: D

Rationale: The nurse should expect that levothyroxine will be started at a low dose and gradually increased over several weeks. This cautious approach is crucial, especially in older adult clients, to prevent toxicity and ensure optimal therapeutic outcomes for managing hypothyroidism.

Correct Answer: A

Rationale: The correct instruction for a client using a Nitroglycerin transdermal patch is to remove the patch each evening to prevent tolerance. This allows for a nitrate-free period of 10 to 12 hours during each 24-hour period, reducing the risk of developing tolerance to the medication.

Correct Answer: D

Rationale: Anorexia is a common manifestation of digoxin toxicity, along with symptoms such as blurred vision, stomach pain, and diarrhea. It is important for healthcare providers to recognize these signs to prevent serious complications.

Correct Answer: C

Rationale: Ezetimibe is contraindicated in clients with active moderate-to-severe liver disorders, particularly if they are already on a statin like simvastatin. Hepatitis C is a liver condition that can be exacerbated by Ezetimibe, leading to potential complications. Therefore, the nurse should identify active hepatitis C as a contraindication to adding Ezetimibe to the client's medications.

Correct Answer: D

Rationale: Orthostatic hypotension is a common adverse effect of antihypertensive medications. The client should move slowly to a sitting or standing position and should be taught to sit or lie down if lightheadedness or dizziness occurs.