Correct Answer: B

Rationale: The correct answer is to 'Avoid potassium-rich foods.' Spironolactone is a potassium-sparing diuretic, and consuming foods high in potassium can lead to hyperkalemia, a potential side effect of the medication. Therefore, the client should be advised to avoid potassium-rich foods to prevent complications.

Correct Answer: C

Rationale: Monitoring the hematocrit (Hct) is essential to assess the therapeutic effect of epoetin alfa, as this medication stimulates red blood cell production in clients with chronic renal disease.

Correct Answer: B

Rationale: Clients taking warfarin should report any signs of bleeding to their healthcare provider as it can indicate excessive anticoagulation. Bleeding can be a serious side effect of warfarin and should be promptly addressed by a healthcare provider to prevent complications.

Correct Answer: A

Rationale: The correct instruction for taking Pancrelipase is to take it with meals and snacks to aid in the digestion of fats, proteins, and carbohydrates. This helps optimize the effectiveness of the medication in managing chronic pancreatitis.

Correct Answer: C

Rationale: Nafcillin is an appropriate alternative within the penicillin class for clients who have difficulty swallowing tablets or struggle with liquid or chewable medications. It is available for intramuscular (IM) or intravenous (IV) administration, offering options beyond oral formulations.