This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Magnetic Resonance Imaging, Subject name: Radiology
Which MRI sequence suppresses fat signal? 
Select and explain. 
A. FLAIR, B. STIR, C. T1, D. T2WI
B: STIR
Answer: B: STIR 
Explanation: STIR (Sho Tau Inversion Recovery Sequence): It is a Fat suppressing sequence used to evaluate bone marrow edema by suppressing the fat signal from bone marrow FLAIR (FLUID ATTENUATION INVERSION RECOVERY SEQUENCE): Which suppresses the Fluid Signals and evaluates Brain Edema, used in evaluating Periventricular Hyperintensities in Multiple sclerosis by suppressing the CSF signal of the ventricles FAT is HyperIntense on both T1& T2