Review Question - QID 220681

A 52-year-old man presents to the emergency department after he got into a car accident. He was going through a traffic light when he was hit by another car. He is evaluated in the emergency department and is found to have a tibia fracture as well as a concussion. He underwent open reduction and internal fixation of the tibia and is recovering in the hospital. Three days later, the patient is recovering and is stable, but routine laboratory values show hyponatremia with a sodium of 127 mEq/L. He is given several boluses of normal saline. The next morning, labs are ordered, and the results are shown below:
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