<prompt> A 23-year-old man with hemophilia is recently wheelchair bound. Which of the following best accounts for this development?HemarthrosisHematemesisHematocephalusHematochezia  <response>: Hemarthrosis refers to bleeding into the joint cavity. It is associated with joint swelling and is a crippling complication of hemophilia. Repeated bleeding may cause deformities and may limit the mobility of the joints. Hematemesis choice B is vomiting blood. Hematocephalus choice C is an intracranial infusion of blood. Hematochezia choice D is passage of blood caused by lower gastrointestinal hemorrhage. Hemoptysis choice E is coughing up blood.Diagnosis: Hemophilia, hemarthrosis 