This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following causes of Anemia is associated with a Hypoplastic marrow: 
Select and explain. 
A. Fanconi's Anemia, B. Paroxysmal Nocturnal Hemoglobinuria (PNH), C. Hypersplenism, D. Myelofibrosis
A: Fanconi's Anemia
Answer: A: Fanconi's Anemia 
Explanation: Answer is A (Fanconi's Anemia) Constitutional Aplastic Anemias like Fanconi's Anemia are associated with a Thpoplastic Marrow Myelofibrosis, Paroxysmal Nocturnal Hemoglobinuria (PNH) and Hypersplenism are all associated with a cellular marrow.