Correct Answer: B

Rationale: The correct answer is B. Scopolamine is not a pain medication; it is commonly used to prevent nausea and vomiting, particularly in surgical settings. It works on the central nervous system to help control these symptoms, not to relieve pain. Therefore, it is important for the nurse to explain to the client that the medication is not intended to relieve pain but rather to manage other specific symptoms. Checking the correct placement of the patch is also important to ensure proper administration, but addressing the misconception about the medication's purpose is the priority in this scenario.

Correct Answer: C

Rationale: Benztropine, an anticholinergic drug, is used to control extrapyramidal symptoms associated with olanzapine use.

Correct Answer: C

Rationale: Muscle cramps are a common side effect of furosemide due to its impact on electrolyte levels, especially potassium. Furosemide is a loop diuretic that can lead to potassium depletion, resulting in muscle cramps as one of the manifestations of electrolyte imbalances.

Correct Answer: D

Rationale: Hydroxychloroquine is known to cause vision changes, including retinopathy. Therefore, it is crucial for clients to report any vision changes promptly to their healthcare provider to prevent any potential ocular complications.

Correct Answer: A

Rationale: Erythropoietin is a medication commonly used to stimulate red blood cell production in individuals with chronic kidney disease. One of the potential adverse effects of erythropoietin therapy is hypertension. The increased production of red blood cells can lead to elevated blood pressure levels. Therefore, monitoring for hypertension is essential to ensure the client's safety and well-being while on this medication.