Which of the following occurs in maximum concentration in blood plasma (extracellular fluid)?

^{+}

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^{+ 2}

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^{+ 2}

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^{+}

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Solution

The correct option is D Na $^{+}$
Term ECF is used for "Extra Cellular Fluid". The outside environment of a living cell is rich in sodium where as interior of a living cell is always rich in potassium ions. This differential concentration is maintained by sodium potassium pump operating in cell membrane of living cells.

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Similar questions

{N a}^{+}, {C a}^{2 +}, {M g}^{2 +}, {A l}^{3 +}

{C a}^{2 +} < {N a}^{+} < {M g}^{2 +} < {A l}^{3 +}

M g^{2 +}

C a^{2 +}

N a^{+}

K^{+}

M g^{2 +}

C a^{2 +}

N a^{+}

K^{+}

37^{\circ} C

N a^{+} = 138, C a^{2 +} = 5.2, K^{+} = 4.5,

M g^{2 +} = 2.0, C l^{-} = 105, H C O_{3}^{-} = 25,

P O_{4}^{3 -} = 2.2, S O_{4}^{2 -} = 0.5,

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