If a person vomits excessively and shows symptoms of diarrhoea, it is possible that in his blood serum there is a decrease level of
A
Calcium
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B
Iron
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C
Sodium
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D
Phosphorus
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Solution
The correct option is C Sodium Sodium is an essential component for many of the body's functions which includes fluid balance, management of blood pressure and the nervous system. The condition called as hyponatraemia is caused due to low salt or sodium content in the blood. This also results from loss of sodium or fluid from the body due to severe vomiting or diarrhoea.