Difficulty: Medium
Average Score: 95%
Simulated
Laboratory tests reveal the following electrolyte values for Mr. Smith: Na 135 mEq/L, Ca 8.5 mg/dL, Cl 102 mEq/L, and K 2.0 mEq/L. Which of the following values should the nurse report to the physician because of its potential risk to the client?
Correct answer
B
Rationale
A potassium level of 2.0 mEq/L is critically low (normal 3.5-5.5 mEq/L), risking cardiac arrhythmias, and should be reported immediately.