Question
The sodium ion is at the highest concentration in: a. intracellular fluidb. extracellular fluidc. blood plasmad. none of the above
Step 1
The cell at rest has a high concentration of potassium ions (K) inside and a low concentration of sodium ions (Na). On the other hand, outside the cell, there is a high concentration of sodium ions and a low concentration of potassium ions. Show more…
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The largest portion of total body water is found in which tissue? a. Intracellular fluid b. Extracellular fluid c. Intravascular extracellular fluid d. Interstitial cell fluid e. Plasma
What ion is at a higher concentration in the extracellular fluid than in the intracellular fluid?
Why is the sodium ion at the highest concentration in extracellular fluid? a. Sodium diffuses freely through the cell membrane. b. The sodium/potassium pump removes sodium ions from the cell. c. The blood contains a high concentration of sodium. d. Sodium is actively taken up by the cells for use in the cytoplasm
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