A healthcare provider notes that tapping the patient's facial nerve leads to lip twitching. What electrolyte value is correlated with this finding?
A)K⁺: 2.8 mEq/L
B)K⁺: 5.4 mEq/L
C)Ca⁺⁺: 8.2 mg/dL
D)Ca⁺⁺: 12.9 mg/dL

Question

Quizplus · Accepted Answer

This patient has a positive Chvostek sign, which is indicative of hypocalcemia. The normal range of Ca⁺⁺ is 9 to 10.5 mg/dL. 12.9 mg/dL indicates hypercalcemia. Potassium imbalances are not related.

A Healthcare Provider Notes That Tapping the Patient's Facial Nerve