Correct Answer: B

Rationale: Clients with a history of heart failure generally have negative findings, such as shortness of breath. The nurse needs to determine whether the client's activity is the same or worse, or whether the client identifies a decrease in activity level. Trouble breathing, chest pain, breathlessness at night & peripheral edema are symptoms of heart failure, but do not provide data that can determine the extent of the client's heart failure.

Correct Answer: D

Rationale: Regular monitoring of liver function tests is crucial for clients taking isoniazid (INH) due to the potential risk of hepatotoxicity. Isoniazid can cause liver damage, and early detection through routine liver function tests can help prevent severe complications.

Correct Answer: B

Rationale: The presence of expired food in the refrigerator is concerning as it raises safety issues for the client and indicates potential financial constraints preventing them from buying fresh food. The nurse should consider referring the client to services like Meals on Wheels or other home-based food programs to address this issue and ensure the client's nutritional needs are met.

Correct Answer: B

Rationale: Administering pain medication as needed is the most appropriate intervention for a client with acute pancreatitis. Pain management is crucial as pancreatitis can cause severe and debilitating pain. Providing pain relief is essential to improve the client's comfort and well-being.

Correct Answer: D

Rationale: The correct answer is D because clients are typically instructed to avoid solid foods for 12-24 hours before a colonoscopy, not a full 24 hours. This statement indicates a need for further teaching to ensure the client follows the correct dietary instructions for the procedure.