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.

Correct Answer: A

Rationale: To maximize the effectiveness of nicotine gum, the client should avoid eating or drinking 15 minutes before and while using it. This helps ensure proper absorption of nicotine through the oral mucosa.

Correct Answer: C

Rationale: Dyspnea is a concerning finding in a client receiving Mannitol as it can be a manifestation of heart failure, which is an adverse effect of the medication. The nurse should promptly notify the provider, discontinue the Mannitol, and initiate appropriate interventions to address the dyspnea and monitor the client's condition closely.

Correct Answer: B

Rationale: When managing a client with Benzodiazepine toxicity, the priority action for the healthcare professional is to assess the client. Identifying the client's level of orientation allows the healthcare professional to understand the client's cognitive status, which is crucial for further interventions and decision-making in the care plan.

Correct Answer: B

Rationale: The presence of red blood cells in the urine is a significant finding that can indicate nephrotoxicity, a potential adverse effect of gentamicin. Nephrotoxicity can lead to kidney damage, and monitoring for this adverse reaction is crucial during gentamicin therapy.