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Which electrolyte is the major cation controlling a client's extracellular fluid (ECF) osmolality?

Which electrolyte is the major cation controlling a client's extracellular fluid (ECF) osmolality?

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A. Potassium
B. Sodium
C. Chloride
D. Calcium

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Basic Physical care (Part 2)
Asked by Edward, Last updated: Apr 05, 2020

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2 Answers

C. Marcus

C. Marcus, Content Developer, Washington

Answered Oct 23, 2018

Sodium is the major extracellular cation, which plays a role in the body. The body's sodium concentration reports the amount of sodium relative to the amount of water in extracellular fluids.

The sodium level in the body can indicate the hydration levels in the body, and it converts as the free water in the extracellular fluid increases or decreases. When too much sodium is eliminated, the patient may suffer from hyponatremia, which is retention of water or excess loss of sodium.

 

John Smith

John Smith

Answered Sep 09, 2016

Sodium-rationale: sodium, the major ecf cation, maintains ecf osmolality. potassium is the major cation in intracellular fluid. chloride is the major anion in the ecf. calcium, found primarily in the intravascular fluid compartment of ecf, is the major cation involved in the structure and function of the teeth and bones.client needs category: physiological integrityclient needs subcategory: physiological adaptationcognitive level: knowledgereference: craven, r.f., and hirnle, c.j. fundamentals of nursing: human health and function, 5th ed. philadelphia: lippincott williams & wilkins, 2007, p. 920.
 

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