NCLEX-RN Question #861: Real Exam Question with Answer & Explanation

The correct answer is B. Dysrhythmias. (A) Tetany is seen with low calcium. (B) Low potassium causes dysrhythmias because potassium is responsible for cardiac muscle (C) Numbness of extremities is seen with high potassium. (D) Headache is not associated with potassium excess or deficiency.

Question

A client is experiencing muscle weakness and lethargy. His serum K+is 3.2. What other symptoms might he exhibit?

Options

ATetany
BDysrhythmias
CNumbness of extremities
DHeadache

Explanation

(A) Tetany is seen with low calcium. (B) Low potassium causes dysrhythmias because potassium is responsible for cardiac muscle (C) Numbness of extremities is seen with high potassium. (D) Headache is not associated with potassium excess or deficiency.

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