Review Question - QID 212689

A 16-year-old boy presents to his primary care physician for evaluation of fatigue. He says that he has been trying to start exercising regularly but feels short of breath and fatigued within a few minutes. His past medical history is significant for obesity and mild neonatal jaundice, but he has otherwise been healthy. He recently moved into an old house and started a vegan diet to lose some weight in combination with his exercise plan. Peripheral blood smear is obtained, and the results are shown in Figure A. Which of the following lab findings would most likely be seen in this patient?