Pharmacological and Parenteral Therapies NCLEX Related

Review Pharmacological and Parenteral Therapies NCLEX related questions and content

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?

  • A. Ca
  • B. K
  • C. Na
  • D. Cl
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.