Which of the following statement(s) is/are true concerning hemophilia A?
A. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII
B. A positive family history for bleeding disorders present in all patients
C. Laboratory tests reveal a prolongation of aPTT, prothrombin time (PT), thrombin clotting time and platelet aggregation
D. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal
Answer:A
Which of the following statement(s) is/are true concerning hemophilia A?
A. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII B. A positive family history for bleeding disorders present in all patients C. Laboratory tests reveal a prolongation of aPTT, prothrombin time (PT), thrombin clotting time and platelet aggregation D. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal