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
Not seen idiopathic pulmonary hemosiderosis 
Select and explain. 
A. Eosinopenia, B. Iron deficiency anemia, C. Diffuse alveolar hemorrhage, D. Hemoptysis
A: Eosinopenia
Answer: A: Eosinopenia 
Explanation: Answer is A (Eosinopenia): Eosinopenia is not a feature of Idiopathic Pulmonary Hemosiderosis Idiopathic Pulmonary Hemosiderosis (IPH) IPH is a disorder of unknown etiology characterized by recurrent episodes of Diffuse Alveolar Hemorrhage (DAH) It has been classically characterized by the triad of iron deficiency anemia, hemoptysis and alveolar infiltrates on chest radiographs.