Correct Answer: A

Rationale: Nitroglycerin is primarily used for the relief or prevention of anginal attacks. It works by dilating blood vessels, increasing blood flow and oxygen to the heart muscle, thereby relieving chest pain caused by angina. The medication is not indicated for diuresis, antiemetic effects, or anxiety relief.

Correct Answer: B

Rationale: Clients taking warfarin should report any signs of bleeding to their healthcare provider as it can indicate excessive anticoagulation. Bleeding can be a serious side effect of warfarin and should be promptly addressed by a healthcare provider to prevent complications.

Correct Answer: B

Rationale: The correct answer is B. Loperamide can cause drowsiness and dizziness, so clients should avoid activities that require alertness until they know how the medication affects them. Taking the medication with a full glass of water can help with absorption. Increasing high-fiber foods is not directly related to Loperamide, and black, tarry stools are not expected side effects of this medication.

Correct Answer: A

Rationale: The correct instruction for a client prescribed Rifampin is to expect orange discoloration of urine. Rifampin is known to cause harmless discoloration of bodily fluids, including urine, which is a common side effect of this medication. It is important for the nurse to educate the client about this expected side effect to prevent unnecessary concern or discontinuation of the medication.

Correct Answer: D

Rationale: Hyperlipidemia, characterized by increased cholesterol and triglyceride levels, can occur as an adverse effect of Ritonavir. Monitoring lipid levels is essential to detect and manage this potential side effect in clients receiving this medication for HIV treatment.