Medical Emergencies · single question
In hemophilia A, which lab test should be assessed before dental treatment?
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Correct answer: A. PTT
- A. Correct. Hemophilia A is a Factor VIII deficiency in the intrinsic pathway, prolonging the (a)PTT.
- B. PT/extrinsic pathway is normal in hemophilia A.
- C. Bleeding time evaluates platelet/vascular function, which is normal in hemophilia.
- D. INR standardizes PT for warfarin monitoring, not relevant to factor VIII deficiency.
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