This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Radiology
[{'content': 'Radiation Dose Monitoring in Occupational Workers is done by \nSelect and explain. \nA. TLD Badge, B. Linear Accelerator, C. Collimators, D. Grid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: TLD Batch (Thermoluminescent Dosimeter) It is used to evaluate occupational radiation exposure It is made up of lithium flouride (LiF) or Calcium suphate Dysprosium It is worn under lead apron', 'role': 'assistant'}]