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MRSO-4 Exam with Complete Solutions Graded A+.docx
MRSO-4 Exam with Complete Solutions Graded A+.docx 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 - Answer-a. facility engineers If a cryogen comes in contact with skin, what will happen? a. frostbite/necrosis b. nothing, in its gas form c. explo...
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MRSO-4 Exam with Complete Solutions Graded A+.docx 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 - Answer-a. facility engineers If a cryogen comes in contact with skin, what will happen? a. frostbite/necrosis b. nothing, in its gas form c. explo...
MRSO-2 Exam Questions with All Correct Answers.docx
MRSO-2 Exam Questions with All Correct A What group issued the ACR white paper MRI safety? a.Food and drug association. b.OSHA c.EPA d.American college of radiology blue ribbon panel on MR safety. - Answer-d. American college of radiology blue ribbon panel on MR safety. This individual must have an in-depth understanding of the risks associated with the MRI environment? 1 personnel 2 personnel -MR personnel patient - Answer-b. level 2 personnel Which of the following statemen...
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MRSO-2 Exam Questions with All Correct A What group issued the ACR white paper MRI safety? a.Food and drug association. b.OSHA c.EPA d.American college of radiology blue ribbon panel on MR safety. - Answer-d. American college of radiology blue ribbon panel on MR safety. This individual must have an in-depth understanding of the risks associated with the MRI environment? 1 personnel 2 personnel -MR personnel patient - Answer-b. level 2 personnel Which of the following statemen...
MRSO Test Questions with Complete Solutions.docx
MRSO Test Questions with Complete S physical effects of STATIC FIELDS - Answer-translation rotation lenz physical effects of TIME-VARYING FIELDS - Answer-motion noise induced currents (on object/in person) lenz translation rotation everything NOT MR SAFE needs to be behind... - Answer-5 gauss line earth's magnetic fiels - Answer-0.5 gauss 1.5T = gauss - Answer-15,000 3 T = gauss - Answer-30,000 MR device can be considered non-significant risk IF: (list) - Answer-static m...
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MRSO Test Questions with Complete S physical effects of STATIC FIELDS - Answer-translation rotation lenz physical effects of TIME-VARYING FIELDS - Answer-motion noise induced currents (on object/in person) lenz translation rotation everything NOT MR SAFE needs to be behind... - Answer-5 gauss line earth's magnetic fiels - Answer-0.5 gauss 1.5T = gauss - Answer-15,000 3 T = gauss - Answer-30,000 MR device can be considered non-significant risk IF: (list) - Answer-static m...
MRSO Safety Exam with Complete Solutions.docx
MRSO Safety Exam with Complete S Slew rate - Answer-Speed at which gradient coil turns on and off Time-varying Gradient - Answer-Induced current in a patient Magnetic Flux Lines - Answer-Travel from North to South pole permanent magnet - Answer-Can not be turned off Very inexpensive; extremely heavy Approximately 0.4T Vertical vector Resistive magnet - Answer-Can be turned on and off Costly due to cooling Approximately 0.6T Vertical or horizontal vector Superconductive magnet...
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MRSO Safety Exam with Complete S Slew rate - Answer-Speed at which gradient coil turns on and off Time-varying Gradient - Answer-Induced current in a patient Magnetic Flux Lines - Answer-Travel from North to South pole permanent magnet - Answer-Can not be turned off Very inexpensive; extremely heavy Approximately 0.4T Vertical vector Resistive magnet - Answer-Can be turned on and off Costly due to cooling Approximately 0.6T Vertical or horizontal vector Superconductive magnet...
MRSO Real Exam Questions and Answers All Correct.docx
MRSO Real Exam Questions and Answers All C 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 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 - Answer-b. 4 W/kg for 15 mins Gadolinium contains what kind of magnetism...
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MRSO Real Exam Questions and Answers All C 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 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 - Answer-b. 4 W/kg for 15 mins Gadolinium contains what kind of magnetism...
MRSO PREP EXAM WITH ALL CORRECT ANSWERS.docx
MRSO PREP EXAM WITH ALL CORRECT ANSWERS.docx 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=IR U...
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MRSO PREP EXAM WITH ALL CORRECT ANSWERS.docx 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=IR U...
MRSO Mock Test 1 Questions with Correct Answers.docx
MRSO Mock Test 1 Questions with Correct A 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 this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis D. Magnetophosphenes - Answer-A. Magnetohyrdodynamic Effect When ...
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MRSO Mock Test 1 Questions with Correct A 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 this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis D. Magnetophosphenes - Answer-A. Magnetohyrdodynamic Effect When ...
MRSO Exam Prep Questions with Correct Answers.docx
MRSO Exam Prep Questions with Correct A 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 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 ti...
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MRSO Exam Prep Questions with Correct A 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 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 ti...
MRSO Exam 4 Questions with Correct Answers.docx
MRSO Exam 4 Questions with Correct A Peripheral nerve stimulation can be described by which of the following? a. Faraday's law of induction b. Ohm's law c. Lenz's law d. Planks Law - Answer-b. Faraday's law of induction (describes the induction of electrical current in the presence of a changing magnetic field). Lenz's force describes the opposing forces created. Ohm's law deals with the resistance of current along a wire. Gad contrast has been found in the body in what form...
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MRSO Exam 4 Questions with Correct A Peripheral nerve stimulation can be described by which of the following? a. Faraday's law of induction b. Ohm's law c. Lenz's law d. Planks Law - Answer-b. Faraday's law of induction (describes the induction of electrical current in the presence of a changing magnetic field). Lenz's force describes the opposing forces created. Ohm's law deals with the resistance of current along a wire. Gad contrast has been found in the body in what form...
MRSO Exam 3 with A Grade Solutions.docx
MRSO Exam 3 with A Grade S 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 approximately how long? a.1 minute b.20 seconds c.5-15 mins d.2- 4 mins - Answer-c. 5-15 mins An emergent quench will take approximately 1 minute. The roaring sound hea...
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MRSO Exam 3 with A Grade S 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 approximately how long? a.1 minute b.20 seconds c.5-15 mins d.2- 4 mins - Answer-c. 5-15 mins An emergent quench will take approximately 1 minute. The roaring sound hea...
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