MRSO PREP Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS

MRSO PREP Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS 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 crack in the wire (very costly to repair/replace). Ohm's Law - Answer -Resistance that is equal to Voltage divided by the amperage in a wire. V=IRUse of Cryogen reduces/eliminates heating with high voltage and amperage which allows for high magnetic field. Cryogen - Answer -Liquid Helium 42* Kelvin Dual Cryogen System - Answer -Helium Nitrogen (used to keep Helium cold as back-up) Quench Vent - Answer -Used to vent boiled off Helium to the outside. Quench Vent in MRI Room is Zone IV (