A pediatric patient with chronic liver disease is found to have prolonged bleeding times and low platelet counts during assessment. Which role of the liver should the nurse evaluate to explain these hematologic abnormalities?

A. While the liver stores iron as ferritin and contributes to iron metabolism, it does not directly regulate platelet production. Platelets are produced by megakaryocytes in the bone marrow, not by the liver. B. The liver synthesizes most coagulation factors (I, II, V, VII, IX, X, XI, and XII) as well as fibrinogen and proteins C and S, which are critical for clotting. Chronic liver disease reduces production of these factors, leading to prolonged bleeding times, bruising, and increased risk of hemorrhage. Low platelet counts may also occur due to splenic sequestration secondary to portal hypertension, further impairing hemostasis. C. Erythropoietin is primarily produced by the kidneys, not the liver, and it stimulates red blood cell production, not white blood cell production. D. While the liver and spleen help remove old or damaged red blood cells, this function does not directly explain prolonged bleeding times or low platelets. Hematologic abnormalities in liver disease are primarily due to impaired clotting factor production and platelet sequestration.