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: Radiology
[{'content': 'Sieve is a unit of \nSelect and explain. \nA. Radioactivity, B. Radiation exposure, C. Absorbed dose, D. Dose equivalent', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is'd'i.e., Dose equivalentRef: A Textbook of Sciencefor the Health Professions p. 132Sieve is new (Sl) unit of dose equivalent replacing Rem", 'role': 'assistant'}]