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: Microbiology
[{'content': "False about shwachman's disease \nSelect and explain. \nA. Leucocytosis, B. Exocrine pancreatic insufficiency, C. Short stature, D. Bone marrow dysfunction", 'role': 'user'}, {'content': "Answer: A \nExplanation: Shwachman's disease is a disorder of phagocytosis\nCharacterised by neutropenia not leucocytosis.", 'role': 'assistant'}]