Correct Answer: A

Rationale: Furosemide is a loop diuretic that can cause hypokalemia (low potassium levels) due to increased potassium excretion in the urine. Monitoring serum potassium levels is crucial to prevent complications such as cardiac arrhythmias. Therefore, the healthcare provider should closely monitor the client's serum potassium levels when they are prescribed Furosemide.

Correct Answer: A

Rationale: It is important for the nurse to educate the client about the increased risk for a myocardial infarction when taking Celecoxib due to its effect on suppressing vasodilation, which can lead to this adverse cardiovascular event. Monitoring for signs of heart issues and discussing the importance of seeking prompt medical attention if symptoms occur is crucial in the patient's education.

Correct Answer: D

Rationale: The correct instruction for a client prescribed Losartan is to monitor for signs of dehydration. Losartan can lead to dehydration, so it is essential for the client to be vigilant for symptoms such as dry mouth, increased thirst, and decreased urine output. Providing this instruction ensures the client's safety and helps in early identification of any potential issues related to dehydration.

Correct Answer: D

Rationale: Butorphanol, an opioid agonist/antagonist, can lead to abstinence syndrome in clients who are opioid-dependent. This syndrome may present with symptoms like abdominal pain, fever, and anxiety. It is crucial for healthcare professionals to consider this risk when administering Butorphanol to clients with a history of substance use disorder.

Correct Answer: A

Rationale: The correct answer is diarrhea. Irinotecan commonly causes diarrhea as an adverse effect due to its impact on the gastrointestinal tract. Monitoring for diarrhea is essential to prevent dehydration and manage this side effect effectively.