Study guides, Class notes & Summaries

2024 MRSO Exam Elaboration |Question and Answers| UPDATED!!! How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East *Ans* 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. Magnetic objects D. All of the choices. *Ans* D. All of the choices An object that retains its magnetic field when exiting the static magnet...

MRSO Mock Test 2 |Question and Answers| 100% Correct An object that produces a weak attractive force in the presence of a strong magnetic field is called what? A. Paramagnetic B. Superparamagnetic C. Ferromagnetic D. Diamagnetic *Ans* A. Paramagnetic What is the risks associated with translational force? A. Proximity Heating B. Missile effect C. Peripheral nerve stimulation D. Antenna effect *Ans* B. Missile effect Which of the following is measured in milliseconds? A. The rise t...

Revised MRSO: Exam |Question and Answers| 100% Correct Answers 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 *Ans* b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins *Ans* b. 4 W/kg for 15 mins Gadolinium contains what...

MRSO Final Exam |Question and Answers| 2024 MR Safety Officer responsibilities *Ans* 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 a given time. His/her responsibilities include the following: To be readily accessible and available (eg, to the operators of the MR system) at all...

MRSO EXAM PREP |Question and Answers| #Latest Version Zero Boil-Off *Ans* System that reduces/eliminates the need to recharge Helium in a magnet. Quench *Ans* 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 crack in the wire (very costly to repair/replace). Ohm's Law *Ans* Resistance that is equal to Voltage divided by the amperage in a wire. V=IR Use of Cry...

RMA Exam Prep [] 100% Correct Answers |Updated!!| An example of a "ball and socket" joint is the *Ans* Hip The kidneys are located behind the *Ans* peritoneum During swallowing, the larynx is covered by the *Ans* epiglottis The protein in epidermal cells that makes the skin relatively waterproof is *Ans* Keratin Where is chyme produced? *Ans* Stomach A doughnut shaped gland that encircles the urethra is the: *Ans* Prostate Gland The part of the pharynx that is a passageway for air only...

MRSO Safety Exam Guide |UPDATED!!| 100% Correct Answers Slew rate *Ans* Speed at which gradient coil turns on and off Time-varying Gradient *Ans* Induced current in a patient Magnetic Flux Lines *Ans* Travel from North to South pole permanent magnet *Ans* Can not be turned off Very inexpensive; extremely heavy Approximately 0.4T Vertical vector Resistive magnet *Ans* Can be turned on and off Costly due to cooling Approximately 0.6T Vertical or horizontal vector Superconductive magne...