Which laboratory value will most likely be abnormal in the patient undergoing diagnostic testing for hemophilia?
A) Prothrombin time (PT)
B) Partial thromboplastin time (PTT)
C) Platelet count
D) Bleeding time
B) Partial thromboplastin time (PTT)
Explanation: A) Diagnostically, individuals with hemophilia usually have prolonged PTT, with normal PT, platelet counts, and bleeding time or platelet function assay testing.
B) Diagnostically, individuals with hemophilia usually have prolonged PTT, with normal PT, platelet counts, and bleeding time or platelet function assay testing.
C) Diagnostically, individuals with hemophilia usually have prolonged PTT, with normal PT, platelet counts, and bleeding time or platelet function assay testing.
D) Diagnostically, individuals with hemophilia usually have prolonged PTT, with normal PT, platelet counts, and bleeding time or platelet function assay testing.
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