Answer to Question 1
Correct Answer: 3
Rationale 1: Confusion might accompany hypokalemia, but decreased urine output is not a sign of hypokalemia.
Rationale 2: Neither general irritability nor increased urine output is a sign of hypokalemia.
Rationale 3: Muscle weakness and cramps are indicators of hypokalemia.
Rationale 4: Diarrhea and projectile vomiting are not associated with hypokalemia.
Global Rationale: Muscle weakness and cramps are indicators of hypokalemia. Confusion might accompany hypokalemia, but decreased urine output is not a sign of hypokalemia. Neither general irritability nor increased urine output is a sign of hypokalemia. Diarrhea and projectile vomiting are not associated with hypokalemia.
Answer to Question 2
Correct Answer: 4
Rationale 1: Intravascular fluid and interstitial fluids are components of the extracellular fluid. There is no intravascular compartment.
Rationale 2: Intravascular fluid is a component of extracellular fluid. There is no intravascular compartment.
Rationale 3: Interstitial fluid is a component of extracellular fluid. There is no interstitial compartment.
Rationale 4: Body fluids are exchanged between intracellular and extracellular compartments.
Global Rationale: Body fluids are exchanged between intracellular and extracellular compartments. Intravascular fluid and interstitial fluids are components of the extracellular fluid. There is no intravascular compartment. Interstitial fluid is a component of extracellular fluid. There is no interstitial compartment.