MRSO Exam Package Deal

The quench vent in the MR room should be inspected by who? a. facility engineers b. manufacturer engineers c. MR tech d. MRMD - Answer b. manufacturer engineers The quench vent outside the MR facility is inspected by who? a. facility engineers b. manufacture engineer c. MR tech d. MRMD - ...

Purpose of RF (B1) field - Answer excite hydrogen protons RF energy is absorbed by tissues - Answer within the volume of the RF transmit coil. This is a thermogenic process. Thermogenic process - Answer Results in production of heat. Ex: RF energy absorption MRI local and whole-body tissue ...

MR Safety Officer responsibilities - Answer The role of MRSO is often carried out by the senior Radiographer (in the USA this will generally be an MR technologist), but other suitably trained individuals could also fill this role. Multiple MRSOs could be appointed, provided only one is in charge at...

Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation - Answer b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 ...

IEC DB/DBA limits for MRI - Answer 140 DB 99 DBA parameters to reduce noise in MRI - Answer -thicker slices -larger FOV -smaller matrix -parallel imaging -reducing bandwidth (increasing TE) -active noise reduction -Low SAR RF mode (increase in echo spacing)-thicker slices MRI sequence th...

What pulse sequence will produce the most patient heating? A. Inverse recovery sequence B. Single shot fast spin echo C. Conventional spin echo D. Gradient Echo - Answer B. Single shot fast spin echo During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is...

How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - Answer A North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Mag...

What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil - Answer b. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult ...

The control room is found where? a. Zone I b. Zone II c. Zone III d. Zone IV - Answer C. Zone III Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation - Answer b. Lenz...

Zero Boil-Off - Answer System that reduces/eliminates the need to recharge Helium in a magnet. Quench - Answer Quickly eliminating the magnetic field. Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. Loud Noise as Helium rushes out of Quench Vent. Can cause cra...

Which of the following are physiologic factors that occur from an anaphylactic reaction? Select all that apply. a. Elevated creatinine levels b. Vasodilation c. Bronchial smooth muscle contraction d. Increased vascular permeability - Answer b, c, d A non-emergent quench can take approximate...

All MR medical directors must report incidents to which of the following? a. FDA Medwatch Program b. ACR MR safety board c. None of the choices d. All of the choices - Answer a. FDA Medwatch Program Which of the following is not true? a. Screening process for non-MR personnel and MR personne...

The AHA's: "A Patient's Bill of Rights" include which of the following? I. consideration of privacy II. the right to have an advance directive III. considerate and respectful care IV. ready access to their medical records V. the identity of physicians, nurses, and other healthcare providers...