<prompt> Which of the following causes of Anemia is associated with a Hypoplastic marrow:Fanconis AnemiaParoxysmal Nocturnal Hemoglobinuria PNHHypersplenismMyelofibrosis  <response>: Answer is A Fanconis Anemia Constitutional Aplastic Anemias like Fanconis Anemia are associated with a Thpoplastic Marrow Myelofibrosis, Paroxysmal Nocturnal Hemoglobinuria PNH and Hypersplenism are all associated with a cellular marrow. 