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
Radiation Dose Monitoring in Occupational Workers is done by 
Select and explain. 
A. TLD Badge, B. Linear Accelerator, C. Collimators, D. Grid
A: TLD Badge
Answer: A: TLD Badge 
Explanation: 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