The normal proportion of body water in an adult is which percentage of body weight?
75-95%
50-70%
greater than 80%
30-40%
The Correct Answer is B
A. 75–95%: This range is too high for adults; it applies more to infants.
B. 50–70%: Adult body water typically comprises about 50–70% of total body weight.
C. Greater than 80%: This is excessive for an adult body water percentage.
D. 30–40%: This is too low for average adults.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Calcium: Important for neuromuscular function but not fluid balance.
B. Sodium: Sodium is the main extracellular cation and is vital in controlling extracellular fluid volume.
C. Potassium: Potassium is the main intracellular cation.
D. Bicarbonate: It's an important buffer but not the main determinant of fluid volume.
Correct Answer is D
Explanation
A. water intoxication: Water intoxication refers to excess water intake leading to dilutional hyponatremia.
B. osmotic diuresis: Osmotic diuresis involves loss of water and electrolytes, typically due to high solute levels like glucose.
C. shock: Shock is a complex condition involving inadequate tissue perfusion, not specific to water-only loss.
D. simple dehydration: Simple dehydration refers to loss of pure water without a corresponding loss of electrolytes.
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