The largest percentage of total body water in an adult is located in which fluid compartment?
intravascular
extracellular
intracellular
interstitial
The Correct Answer is C
A. intravascular: This compartment contains only about 5% of body fluid.
B. extracellular: Although significant, it accounts for only about one-third of total body water.
C. intracellular: The intracellular fluid compartment contains about two-thirds of the body’s water.
D. interstitial: Part of the extracellular fluid but only about 15% of total body water.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Calcium: Calcium is the most abundant electrolyte, primarily stored in bones and teeth.
B. Magnesium: Magnesium is important but less abundant than calcium.
C. Sodium: Sodium is the most abundant extracellular cation but not the most abundant overall.
D. Potassium: Potassium is the most abundant intracellular cation but calcium exceeds it body-wide.
Correct Answer is D
Explanation
A. hyponatremia: Refers to low sodium levels, not potassium.
B. hypernatremia: Refers to high sodium levels.
C. hyperkalemia: Refers to high potassium levels.
D. hypokalemia: This term means low potassium levels, which can affect heart and muscle function.
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