|
What is the principal cation in human blood? |
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|
a) |
Potassium |
b) |
Sodium |
c) |
Calcium |
d) |
Manganese |
|
What is the principal cation in human blood? |
|||||||
|
a) |
Potassium |
b) |
Sodium |
c) |
Calcium |
d) |
Manganese |
(b)
The main inorganic constitutents of blood plasma are chloride and bicarbonate salts of sodium (principal cation). Traces of some other salts like phosphates, bicarbonates, sulphates and iodides of calcium, magnesium and potassium are also found.