MRI Module 8-Image Quality Test Questions
And Answers Verified by Experts
Which of the following statements is not true regarding bandwidth? Narrow bandwidth
generally is selected on systems with high field strengths
Spatial resolution and other quality indicators in MR imaging are determined by the _____ of
gradient pulses. order, timing, amplitude
Of the two main pulse sequences, which one uses a 180* radiofrequency pulse to refocus the
signal? spin echo
Using a long TR and a long TE will: decrease T1 weighting and increase T2 weighting
The shortest possible time between two MR events that can be measured is temporal resolution.
T/F True
TR controls ____ T1 weighting contrast
The time between a 180* inverting pulse and a 90* excitation pulse is called _____
inversion time
A long inversion recovery time (about 2000ms) results in _____ fluid attenuated inversion
recovery (FLAIR)
And Answers Verified by Experts
Which of the following statements is not true regarding bandwidth? Narrow bandwidth
generally is selected on systems with high field strengths
Spatial resolution and other quality indicators in MR imaging are determined by the _____ of
gradient pulses. order, timing, amplitude
Of the two main pulse sequences, which one uses a 180* radiofrequency pulse to refocus the
signal? spin echo
Using a long TR and a long TE will: decrease T1 weighting and increase T2 weighting
The shortest possible time between two MR events that can be measured is temporal resolution.
T/F True
TR controls ____ T1 weighting contrast
The time between a 180* inverting pulse and a 90* excitation pulse is called _____
inversion time
A long inversion recovery time (about 2000ms) results in _____ fluid attenuated inversion
recovery (FLAIR)
