Review Question - QID 109884

A 2-month-old boy is brought to his pediatrician after his mother noted the child repeatedly bleeding along his gums. The child was born at 36 weeks gestation and was in the neonatal intensive care unit for 1 night for respiratory distress. Family history is notable for multiple myocardial infarctions in the paternal and maternal grandparents. His temperature is 99°F (37.2°C), blood pressure is 95/60 mmHg, pulse is 100/min, and respirations are 20/min. Examination of the child’s oral cavity demonstrates diffuse mucosal petechiae. A peripheral smear demonstrates normal platelet morphology. A genetic workup in this patient reveals a defect in the ability of the patient’s platelets to bind fibrinogen. Additional hematologic testing in this patient would likely reveal which of the following compared to a healthy patient (Figure A)?