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: Pathology
[{'content': 'High dose radiotherapy causes pancreatic - \nSelect and explain. \nA. Acinar dificiency, B. Islets of Langerhans deficiency, C. A +B, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Acinar cells are radiosensitive while islets are relatively radioresistant', 'role': 'assistant'}]