The anion abundant in extracellular fluid and important for gastric acid formation is:
sodium
chloride
calcium
potassium
The Correct Answer is B
A. sodium: Sodium is the main extracellular cation, not an anion.
B. chloride: Chloride is the main extracellular anion and a component of hydrochloric acid in the stomach.
C. calcium: Calcium is a cation and not primarily associated with gastric acid formation.
D. potassium: Potassium is a major intracellular cation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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.
Correct Answer is C
Explanation
A. in the plasma: Plasma is the intravascular compartment.
B. in the vitreous: Refers to the eye, not a common fluid compartment in systemic fluid balance.
C. interstitial: Edema is the accumulation of fluid in the interstitial (third) space.
D. intracellular: Intracellular fluid is within cells, not the typical site of edema.
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