MCQ – 89173

Question

A 16-year-old male presents to the emergency department with the complaint of severe right lower quadrant pain for the last 2 hours. The clinical findings are consistent with acute appendicitis. He underwent an appendectomy a few hours ago. Postoperatively, the patient is complaining of significant pain and is tachypneic with a respiratory rate of 30 breaths per minute. A blood workup, including serum phosphorus, magnesium, and bicarbonate, was ordered in this patient. The lab results revealed low serum bicarbonate consistent with the patient’s clinical condition caused by hyperventilation. Given the patient’s current status, which electrolyte will also be decreased?

A. Phosphorus

B.

Sodium

C.

Chloride

D.

Copper

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