A patient visits his physician because of unexplained bruising and prolonged bleeding from a recent tooth extraction.The physician orders a prothrombin time (PT) and an APTT.Results are within normal reference ranges.What other tests could the physician order to investigate his patient's symptoms?

Question

Quizplus · Accepted Answer

Normal PT and APTT results suggest that the patient's coagulation factors are functioning normally. However, unexplained bruising and prolonged bleeding could be indicative of a platelet disorder, which would not be detected by PT or APTT alone. The physician could order a platelet count and platelet function assays to further investigate the patient's symptoms.

A Patient Visits His Physician Because of Unexplained Bruising and Prolonged