ARRT MRI FINAL EXAM (PRINCIPLES OF MRI) ARRT REGISTRY FINAL EXAM WITH ALL 100 QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ (BRAND NEW!!)

ARRT MRI FINAL EXAM (PRINCIPLES OF MRI) ARRT REGISTRY FINAL EXAM WITH ALL 100 QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ (BRAND NEW!!) Which sequence is most INSENSITIVE to magnetic field inhomogeneity? - ANSWER-SPIN ECHO When scanning a patient with chiari malformation, which would be the best imaging plane? - ANSWER-saggital Choose the correct slice thickness to create an isotropic voxel for the following: TR2000 TE 90 matrix 272 x 272 FOV 24cm - ANSWER-Formula: FOV / matrix *remember to convert FOV from cm to mm by multiplying it by 10 240 / 272 = .88235 .88 slice thickness In a 2D multiecho pulse sequence, ETL = 8, scan time is given by the equation TR x - ANSWER-Number of signals averaged x number of phase encodings / the number of echoes.