This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiotherapy, Subject name: Radiology
[{'content': 'Atomic absorption Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) is used to measure/detect \nSelect and explain. \nA. Hb-derivatives, B. Immunoglobulins, C. Organic compounds, D. Trace & metal elements', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (D) Trace & metal elements # Atomic absorption Inductively coupled plasma mass spectrometry (ICP-MS).> Is a type of mass spectrometry that is highly sensitive and capable of the determination of a range of metals and several non-metals at concentrations below one part in 1012.> It is based on coupling together an inductively coupled plasma as a method of producing ions (ionization) with a mass spectrometer as a method of separating and detecting the ions.> ICP-MS is also capable of monitoring isotopic speciation for the ions of choice', 'role': 'assistant'}]