Coagulation disorders Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 5-hour-old male neonate is noted to have a large cephalohematoma after a vacuum-assisted vaginal delivery. The birth was otherwise uncomplicated, and the mother has no medical problems. The patient's family history is notable for an uncle who had severe joint deformities. Laboratory testing is obtained and reveals the following findings:
A table lists coagulation studies. Results show partial thromboplastin time and Factor IX level outside reference range, at 75 secs and 20%.

A table lists coagulation studies. Results show partial thromboplastin time and Factor IX level outside reference range, at 75 secs and 20%.

Which of the following is the most likely diagnosis?

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Hemophilia A

Hemophilia B

Hemophilia C

Von Willebrand disease

Autoimmune hemolytic anemia