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Review Question - QID 108773

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QID 108773 (Type "108773" in App Search)
A 12-year-old boy presents to the emergency department with a recent history of easy bleeding. He experienced multiple episodes of epistaxis and bleeding gums over the past two days. He also had flu-like symptoms a week ago which resolved over the past few days. His past medical history is notable for well-controlled asthma. His temperature is 98.9°F (37°C). Physical examination is notable for a petechial rash. No splenomegaly is noted. A coagulation panel reveals an elevation in bleeding time with normal PT and PTT. The blood component that is most likely deficient in this patient contains granules of which of the following?
  • A
  • A