NCLEX-RN Question #708: Real Exam Question with Answer & Explanation

The correct answer is C. Hypokalemia. (A) A deficit in sodium concentration results in muscular weakness and lethargy. (B) Muscle fatigue and hypotonia are caused by hypercalcemia. (C) Muscle weakness and fatigue are classic signs ofhypokalemia. (D) Hypermagnesemia can cause muscle weakness, paralysis, and coma.

Question

The nurse is developing a plan of care for a client with an electrolyte imbalance and identifies a nursing diagnosis of decreased physical mobility. Which alteration is most likely the etiology?

Options

AHypernatremia
BHypocalcemia
CHypokalemia
DHypomagnesemia

Explanation

(A) A deficit in sodium concentration results in muscular weakness and lethargy. (B) Muscle fatigue and hypotonia are caused by hypercalcemia. (C) Muscle weakness and fatigue are classic signs ofhypokalemia. (D) Hypermagnesemia can cause muscle weakness, paralysis, and coma.

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