This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Radiology
Which modality is the mainstay in trauma imaging? 
Select and explain. 
A. Plain radiograph, B. CT, C. MRI, D. Radionuclide imaging
A: Plain radiograph
Answer: A: Plain radiograph 
Explanation: Ans AThough not sensitive for subtle undisplaced or early fractures, plain radiographs even today due to their widespread availability, less radiation (as compared to CT scan), mobility (can be taken in any OPD/IPD/ICU) remain the mainstay of trauma imaging.