This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Investigation of choice in stress fracture NOT RELATED- OHO 
Select and explain. 
A. MRI, B. CT, C. Bone scan, D. X ray
A: MRI
Answer: A: MRI 
Explanation: Now conventional wisdom and also all the elderly examiners will spontaneously opt for Bone scan as the answer. However, a careful review of literature preferentially indicates MRI to be a much better modality - highly sensitive as well as specific - for diagnosis of stress fractures. Go with MRI.