Answer to Question 1
Correct Answer: 3
Rationale 1: Diarrhea, not constipation, will occur.
Rationale 2: Hypertension is usually not a sign of hypokalemia.
Rationale 3: Muscle weakness can occur, since muscle fibers are very sensitive to changes in potassium.
Rationale 4: Weight gain is usually not a sign of hypokalemia.
Answer to Question 2
Correct Answer: 3
Rationale 1: 137 is normal.
Rationale 2: 140 is normal.
Rationale 3: 135 indicates a hyponatremia state.
Rationale 4: Normal serum sodium range is 135145 mEq/L.