A 12-year-old boy is brought to hospital by his mother because of epistaxis for the past day. Vitals are stable and within normal limits. Hematologic studies show: Hb 13 g/dL, Hct 39%, WBC 9,000/μL. His blood smear is shown below. Which of the following hematologic structures is most closely associated with the mechanism of this patient’s condition?
Alpha hemoglobin
Ankyrin
Beta hemoglobin
Glycoprotein Ib
Glycoproteins IIb/IIIa
Von Willebrand factor
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Cut-to-the-chase Answer (0:58):
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HY USMLE Answer (11:11):
