Biomolecules - Result Question 37

####37. The dominant cation in the blood plasma (extracellular fluid) is

[1999]

(a) potassium

(b) calcium

(c) magnesium

(d) sodium

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Solution:

  1. (d) $Na^{+}, Cl^{-}$and $HCO_3^{-}$are the electrolytes present in blood plasma. $Na^{+}$and $Cl^{-}$helps in maintainence of osmotic pressure and fluid balance.


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