Answered

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Which of the following is not true of Na⁺?

A. Na is the chief extracellular cation.
B. Na helps regulate extracellular volume.
C. Na⁺ is affected by aldosterone.
D. Na⁺ retention causes diuresis.

Sagot :

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Final answer:

Sodium (Na+) is crucial for maintaining various bodily functions, including cell permeability and nerve impulse transmission. Na+ retention does not cause diuresis, contrary to one of the statements provided.


Explanation:

Sodium (Na+) is the major extracellular cation in the body, playing vital roles in maintaining cell permeability, active transport, muscle contraction, and nerve impulse transmission.

One statement not true about Na+ is that Na+ retention causes diuresis. Diuresis is the process of increased urine production, which is typically associated with sodium excretion, not retention.

Aldosterone, a hormone that affects Na+ concentrations, stimulates Na+ uptake in the kidneys, emphasizing Na+'s importance in the body's electrolyte balance regulation.


Learn more about Sodium (Na+) functions and regulation here:

https://brainly.com/question/36895221


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