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
All except one are true regarding Idiopathic pulmonary Fibrosis 
Select and explain. 
A. Smoking is pre - disposing factor., B. Non - Granulomatous condition, C. Bronchoalveolar Lavage shows eosinophils, D. Subpleural Fibrosis
C: Bronchoalveolar Lavage shows eosinophils
Answer: C: Bronchoalveolar Lavage shows eosinophils 
Explanation: Bronchoalveolar Lavage in Idiopathic pulmon fibrosis shows neutrophils.