A 5-year-old male child has a bleeding disease that is characterized by areas of hemorrhage in the joints and muscles after minor injuries. Laboratory tests reveal a deficiency of a coagulation factor active in the early phase of blood coagulation (formation of intrinsic thromboplastin). What is the most likely diagnosis?
A) Thrombocytopenia (platelet deficiency)
B) Hemophilia
C) Disseminated intravascular coagulation syndrome
D) Ingestion of a drug such as Coumadin, which functions as an anticoagulant