A 34-year-old woman comes to the physician for a routine health maintenance examination. Physical examination shows scattered ecchymoses on the legs and arms. She says they have been present for one week. Laboratory studies show:
Hemoglobin 13 g/dL
Prothrombin time 12 seconds
Partial thromboplastin time 35 seconds
Bleeding time 8 minutes
Which of the following is most likely to be seen in this patient?
Antibodies
Disruption of intrinsic pathway
Impaired platelet adhesion
Increased plasmin activity
No specific findings
