NCLEX Question for normal serum value for potassium

NCLEX Review Question

The normal serum value for potassium is

a.3.5-5.5 mEq/L.
b.135-145 mEq/L.
c.96-106 mEq/L.
d.8.5-10.5 mg/dL.

Correct Answer: A
3.5-5.5 mEq/L.
Rationale: Serum potassium must be within normal limits to prevent cardiac dysrhythmias.

135-145 mEq/L.
Rationale: Normal serum sodium is 135-145 mEq/L.

96-106 mEq/L.
Rationale: Normal serum chloride is 96-106 mEq/L.

8.5-10.5 mg/dL.
Rationale: Normal total serum calcium is 8.5-10.5mg/dL.

Posted in: MSN NCLEX