MRI Procedures I: Final Exam Questions
and Answers Latest Update Already
Passed
What is the primary advantage of MRI over CT for soft tissue imaging?
✔✔Superior soft tissue contrast
Which type of MRI sequence is most sensitive for detecting brain lesions?
✔✔FLAIR
What is the purpose of using gadolinium contrast in MRI?
✔✔Enhance visualization of blood vessels and abnormal tissues
Which part of the body benefits most from diffusion-weighted imaging (DWI)?
✔✔Brain
What effect does increasing the field strength of an MRI scanner have on image quality?
✔✔Improves signal-to-noise ratio
1
,What is the role of T2-weighted imaging in MRI?
✔✔Highlight fluid and pathology
Which safety concern is associated with ferromagnetic objects in an MRI room?
✔✔Projectile risk
What is the function of the RF coil in MRI?
✔✔Transmit and receive radiofrequency signals
Why is fat suppression used in MRI sequences?
✔✔Reduce fat signal for better tissue contrast
What MRI artifact is commonly seen near metal implants?
✔✔Susceptibility artifact
How does motion affect MRI image quality?
✔✔Causes blurring and ghosting artifacts
2
,What is the purpose of parallel imaging in MRI?
✔✔Reduce scan time
Which imaging technique is best for evaluating cartilage in joints?
✔✔T2 mapping
What does a long TR and long TE produce in MRI?
✔✔T2-weighted images
What happens if a patient moves during an MRI scan?
✔✔Motion artifacts appear
Which MRI sequence is best for detecting acute stroke?
✔✔Diffusion-weighted imaging (DWI)
Why is MRI considered safer than CT for repeated imaging?
✔✔No ionizing radiation
3
, What is the purpose of using gradient echo sequences?
✔✔Improve speed and enhance certain tissues
Which condition is a contraindication for MRI?
✔✔Pacemaker presence
What happens when slice thickness is increased in MRI?
✔✔Reduced spatial resolution
How does MRI differentiate between tissues?
✔✔Based on proton relaxation properties
What is the purpose of shimming in MRI?
✔✔Improve magnetic field uniformity
Which type of MRI scan is best for detecting multiple sclerosis?
✔✔FLAIR
4
and Answers Latest Update Already
Passed
What is the primary advantage of MRI over CT for soft tissue imaging?
✔✔Superior soft tissue contrast
Which type of MRI sequence is most sensitive for detecting brain lesions?
✔✔FLAIR
What is the purpose of using gadolinium contrast in MRI?
✔✔Enhance visualization of blood vessels and abnormal tissues
Which part of the body benefits most from diffusion-weighted imaging (DWI)?
✔✔Brain
What effect does increasing the field strength of an MRI scanner have on image quality?
✔✔Improves signal-to-noise ratio
1
,What is the role of T2-weighted imaging in MRI?
✔✔Highlight fluid and pathology
Which safety concern is associated with ferromagnetic objects in an MRI room?
✔✔Projectile risk
What is the function of the RF coil in MRI?
✔✔Transmit and receive radiofrequency signals
Why is fat suppression used in MRI sequences?
✔✔Reduce fat signal for better tissue contrast
What MRI artifact is commonly seen near metal implants?
✔✔Susceptibility artifact
How does motion affect MRI image quality?
✔✔Causes blurring and ghosting artifacts
2
,What is the purpose of parallel imaging in MRI?
✔✔Reduce scan time
Which imaging technique is best for evaluating cartilage in joints?
✔✔T2 mapping
What does a long TR and long TE produce in MRI?
✔✔T2-weighted images
What happens if a patient moves during an MRI scan?
✔✔Motion artifacts appear
Which MRI sequence is best for detecting acute stroke?
✔✔Diffusion-weighted imaging (DWI)
Why is MRI considered safer than CT for repeated imaging?
✔✔No ionizing radiation
3
, What is the purpose of using gradient echo sequences?
✔✔Improve speed and enhance certain tissues
Which condition is a contraindication for MRI?
✔✔Pacemaker presence
What happens when slice thickness is increased in MRI?
✔✔Reduced spatial resolution
How does MRI differentiate between tissues?
✔✔Based on proton relaxation properties
What is the purpose of shimming in MRI?
✔✔Improve magnetic field uniformity
Which type of MRI scan is best for detecting multiple sclerosis?
✔✔FLAIR
4
