A patient is prescribed 20 mEq of potassium chloride. The nurse realizes that the reason the patient is receiving this replacement is
1. to sustain respiratory function.
2. to help regulate acid?base balance.
3. to keep a vein open.
4. to encourage urine output.
Correct Answer: 2
Potassium, the primary intracellular cation, plays a vital role in cell metabolism and cardiac and neuromuscular function. Potassium does not sustain respiratory function. Intravenous fluids are used to keep venous access not potassium. Urinary output is impacted by fluid intake not potassium.
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