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What happens due to the increase of sodium ions in the blood?

(a) Increase in blood pressure

(b) A decrease in blood pressure

(c) Increase in the solubility of nitrogen

(d) A decrease in solubility of sodium ions

I got this question during an interview.

Asked question is from Function of Tubules-2 topic in section Excretory Products and Elimination of Biology – Class 11

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The correct answer is (a) Increase in blood pressure

To explain: More sodium ions in the blood or fewer potassium ions in the blood lead to increased blood pressure and blood volume. This condition can be a symptom of the hypersecretion of the salt retaining hormone, i.e., aldosterone.

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