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Page 4 of 6
Question for further thought
The table below lists the concentration of the
major cations and anions in interstitial fluid.
| Ion |
Conc. in interstial fluid |
Ion |
Conc. in interstial fluid |
| Na+ |
145 mM
|
SO42- |
0.5-1.5 mM
|
| K+ |
4 mM
|
Cl- |
117 mM
|
| Ca2+ |
3 mM
|
HPO42- |
2 mM
|
| Mg2+ |
2 mM
|
HCO3- |
24 mM
|
How do your calculated values compare to the
concentrations of these ions in interstitial fluid ? In
your answer you should consider the major similarities and differences.
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