An 18-month-old boy with severe hemophilia A presents to you after falling onto a hardwood floor and hitting his head. He did not lose consciousness, but he did vomit once. His parents cannot remember his last measured level of factor activity. His vital signs are normal. He is sleepy but arousable. He has a contusion on his forehead (see Figure).
In addition to obtaining computed tomography of the head, you order factor VIII replacement. With this injury, the target level of factor VIII activity after replacement is which of the following?
This question appears in Med-Challenger Pediatric Medicine Exam Review with CME
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