Correct Answer: A

Rationale: The correct answer is dry mouth. Salmeterol, a long-acting beta agonist used in COPD, can lead to dry mouth as a common side effect. Nurses should monitor for this side effect and advise clients to report it if it becomes bothersome.

Correct Answer: A

Rationale: Aripiprazole is known to cause weight gain in patients, so monitoring for changes in weight is essential to assess for this potential side effect and intervene accordingly.

Correct Answer: A

Rationale: Insulin lispro is a rapid-acting insulin that should be administered shortly before meals. This timing helps to synchronize the peak action of insulin with the rise in blood glucose levels after eating, effectively managing blood glucose levels in the body.

Correct Answer: B

Rationale: The correct answer is to review the client's serum potassium level before administering furosemide. Furosemide, a loop diuretic, can lead to hypokalemia, making it crucial to assess potassium levels to prevent potential complications like cardiac arrhythmias associated with low potassium levels.

Correct Answer: D

Rationale: Acetaminophen and diphenhydramine help with sleep without severe side effects.