Review Question - QID 208674

A 3-year-old girl presents to her primary care provider for fatigue. Her parents report that the patient has been eating less than usual and is less interested in playing for about one week. Two weeks ago, the patient was healthy other than an upper respiratory infection for which she had received an unknown antibiotic. During this time period her mother noted that her urine appeared abnormally dark. Her parents report recent travel to Ireland, where they have family and the child was born. They deny any other travel but endorse contact with a cousin who was diagnosed with infectious mononucleosis two months ago. Additonally, they report that the patient’s mother has had similar episodes of pallor throughout her life. Her temperature is 98.0°F (36.7°C), blood pressure is 98/72 mmHg, pulse is 99/min, and respirations are 22/min. On physical exam, she is noted to have conjunctival pallor and icteric sclera. Laboratory tests are performed and reveal the following:
...