<prompt> A 30-year-old woman complains of recent easy fatigability, bruising, and recurrent throat infections. Physical examination reveals numerous petechiae over her body and mouth. Abnormal laboratory findings include hemoglobin of 6 gdL, WBC of 1,500mL, and platelets of 20,000mL. The bone marrow is hypocellular and displays increased fat. What is the appropriate diagnosis?Aplastic anemiaIron-deficiency anemiaMegaloblastic anemiaLeukemia  <response>: - Given features suggests the diagnosis of Aplastic anemia - Aplastic anemia is a disorder of pluripotent stem cells causing bone marrow failure resulting in hypocellular bone marrow pancytopenia - Most cases are idiopathic. - Iron-deficiency anemia choice B and megaloblastic anemia choice C are not characterized by a hypoplastic bone marrow. 