Correct Answer: C

Rationale: Erythropoietin is prescribed to stimulate the production of red blood cells. Clients undergoing hemodialysis often develop anemia due to end-stage renal disease. Erythropoietin helps in correcting this anemia by stimulating red blood cell production. It is not used to prevent infections associated with dialysis, deep vein thrombosis, or to balance phosphorus levels in the body.

Correct Answer: A

Rationale: Lisinopril, an ACE inhibitor, commonly causes a persistent dry cough as an adverse effect. This cough is distinctive and different from other causes of cough. It is essential for the client to be aware of this potential side effect as it can indicate a serious issue. Instructing the client to monitor for a persistent cough and report it to the healthcare provider promptly is crucial to ensure timely intervention and management.

Correct Answer: C

Rationale: The effectiveness of metaproterenol, a bronchodilator, is assessed by a decrease in wheezing upon auscultation. Wheezing indicates airway constriction, and a reduction in wheezing signifies improved airflow and bronchodilation due to the medication's action.

Correct Answer: A

Rationale: The correct potential side effect of citalopram is nausea. Citalopram can cause gastrointestinal disturbances such as nausea, so clients should be advised to take the medication with food if nausea occurs to help minimize this side effect. While other side effects like drowsiness, insomnia, and headache may also occur with citalopram, nausea is a common side effect that clients should be informed about.

Correct Answer: A

Rationale: Correct. Diazepam, a medication commonly used to treat anxiety disorders, can lead to drowsiness as a potential side effect. It is important for clients taking diazepam to be cautious about activities that require alertness, such as driving, due to the risk of drowsiness associated with this medication.