ARRT PRINCIPLES OF MRI FINAL EXAM REVIEW
COMPLETE ANSWERS 100% CORRECT (LATEST 2024 / 2025 )
1. How can we correct for a Gibb's artifact?: Increase number of phase encodings or
decrease FOV
2. Fat and water precess at different frequencies, causing a arti-fact.: chemical shift
3. What can be done to the receiver bandwidth to compensate for chemicalshift?: Increase
receiver bandwidth
4. Artifactsfrom motion will appearin which direction?: Phase encoding direction
5. Energy given to nuclei in adjacent slices due to spin lattice relaxation can cause adjacent
slices in an acquisition to have different image contrast. What type of artifact is this?: Cross
Talk
6. An artifact seen in a GRADIENT ECHO image that appears as black and white banding
on the edges of the FOV: Moire
7. Diseases,such as Malaria, in which microorganisms are transferred via aninsect are
classified as: vector borne
8. A complication or illness caused by the treatment from a healthcare professional is
termed: latrogenic
9. In a medical malpractice lawsuit, the must be able to prove medical
malpractice: plaintiff / patient
10. During transport of the patient, the urinary collection bag should beplaced: below the
bladder
11. The stray magnetic field outside the bore of the magnet is termed: fringefield
12. FDA revision in 2003 on RF absorption limits the absorption to forthe head: 3 w/kg -
10 min
13. Which of the following has been documented to cause muscle contractions, alterations in
vision and biochemistry of cells?: time varying magneticfields
14. What is the RF absorption limit for the whole body based off the 2003 FDArevision?: 4
w/kg - 15 min
15. When a sudden loss in temperature occurs which causes the coils to nolonger be
superconducting, resulting in helium escaping from the cryogenicbath is termed:: a quench
16. Force of an object in a magnetic environment depends on the following:: -
mass of the object, strength of the magnet, ferromagnetic properties of the object