Correct Answer: A

Rationale: Lanthanum carbonate is prescribed in chronic kidney disease to bind dietary phosphorus in the gastrointestinal tract. This action can lead to decreased phosphorus absorption and potential hypercalcemia due to the increased serum calcium levels. Therefore, the nurse should monitor the client for signs and symptoms of hypercalcemia, such as confusion, fatigue, and muscle weakness.

Correct Answer: C

Rationale: When a client with chronic heart failure is prescribed furosemide, a diuretic, the nurse should be vigilant for potential adverse effects. Furosemide can lead to excessive fluid loss, resulting in dehydration. Dehydration is a significant concern as it can exacerbate heart failure symptoms. Additionally, furosemide can cause electrolyte imbalances, particularly affecting potassium and sodium levels. Monitoring for signs of dehydration and electrolyte disturbances is crucial to prevent complications and ensure the client's safety and well-being.

Correct Answer: C

Rationale: To assess the effectiveness of the medication for anemia in a client with CKD, monitoring hemoglobin levels is crucial. Hemoglobin levels serve as a direct indicator of the response to treatment and improvement in the condition. An increase in hemoglobin level to 12 grams/dL suggests that the medication is effectively addressing the anemia associated with CKD.

Correct Answer: A

Rationale: The correct answer is A: Hypertension. Epoetin alfa can lead to hypertension as an adverse effect because it stimulates increased red blood cell production. This can result in elevated blood pressure levels, requiring careful monitoring by the nurse to prevent complications.

Correct Answer: B

Rationale: In insulin administration, regular insulin is typically administered before isophane insulin to manage blood glucose effectively. Therefore, if regular insulin is not available, it is best to withhold the dose until it can be administered as prescribed.