Answer to Question 1
Correct Answer: 4
Because the kidneys are the principal organs involved in the elimination of potassium, renal failure can lead to potentially serious elevations of serum potassium levels. Imbalances in calcium, magnesium, and phosphorus are not likely.
Answer to Question 2
Correct Answer: 2
The kidney is the primary regulator of sodium in the body. Fluid retention is associated with hypernatremia. The kidneys are the principal organs involved in the elimination of potassium. Renal failure is often associated with elevations in potassium levels. Carbon dioxide and magnesium abnormalities are not anticipated for this patient.