| Question 1: For a 3 Tesla MRI scanner room, at what location would the attractive force on a ferromagnetic object be strongest? |
| Reference: | The Physics of MRI Safety, J. Magn. Reson. Imaging 2018 47 28–43 |
| Choice A: | Room entry door |
| Choice B: | 5-gauss line location |
| Choice C: | Foot of patient table |
| Choice D: | Entrance to scanner bore |
| Choice E: | Isocenter in the magnet |
| Question 2: In a high magnetic field used in MRI, what is the approximate maximum force on an iron object weighing 1 pound? |
| Reference: | The Physics of MRI Safety, J. Magn. Reson. Imaging 2018;47:2843 |
| Choice A: | 1 pound |
| Choice B: | 10 pounds |
| Choice C: | 25 pounds |
| Choice D: | 100 pounds |
| Choice E: | 250 pounds |
| Question 3: Per the Facilities Guidelines Institute (FGI) 2014 and 2018 hospital design standards, the referenced MRI safety standard for facility planning is: |
| Reference: | Facilities Guidelines Institute (FGI) 2014 and 2018 hospital design standards |
| Choice A: | Joint Commission accreditation |
| Choice B: | State Departments of Health |
| Choice C: | OEM equipment siting documents |
| Choice D: | ACR MRI Accreditation |
| Choice E: | ACR 4-Zone |
| Question 4: Per the ACR Guidance Document on MR Safe Practices (2013), what are the properties or attributes of a Zone 3 area? |
| Reference: | ACR Guidance Document on MR Safe Practices (2013) |
| Choice A: | The area may have persistent static magnetic field hazards (i.e., 5 gauss exposure). |
| Choice B: | Unscreened persons should not be admitted within Zone 3 areas. |
| Choice C: | The zone must have access controls to prevent unintended entry. |
| Choice D: | Screened persons within the Zone must have MR safety training or be under the direct supervision of a person with such training. |
| Choice E: | All of the above |
| Question 5: “MR Safe†is defined in ASTM F2503 as: |
| Reference: | ASTM F2503 |
| Choice A: | An item that poses no known hazards under the conditions specified |
| Choice B: | An item that will continue to function properly anywhere in and around an MR scanner |
| Choice C: | An item that poses no known hazards resulting from exposure to any MR environment |
| Choice D: | None of the above |
| Question 6: “MR Unsafe†is defined in ASTM F2503 as: |
| Reference: | ASTM F2503 |
| Choice A: | An item that is unsafe when used beyond the conditions specified |
| Choice B: | An item which poses unacceptable risks to the patient, medical staff or other persons within the MR environment |
| Choice C: | An item that will not function properly anywhere within the MR magnet room |
| Choice D: | None of the above |
| Question 7: “MR Conditional†is defined in ASTM F2503 as: |
| Reference: | ASTM F2503 |
| Choice A: | An item with demonstrated safety in the MR environment within defined conditions. |
| Choice B: | An item that will continue to function properly anywhere in and around an MR scanner |
| Choice C: | An item that will continue to function properly as long as the conditions are followed |
| Choice D: | None of the above |
| Question 8: For Active Implantable Medical Device interactions with an MRI scanner, which hazard relies heavily on computational electromagnetic simulations to assess the hazard to the patient: |
| Reference: | ISO/TS 10974:2018 |
| Choice A: | Gradient-induced vibration |
| Choice B: | B0-induced malfunction |
| Choice C: | RF-induced heating |
| Choice D: | All of the above |
| Question 9: Which magnetic field can potentially cause a malfunction of an Active Implantable Medical Device? |
| Reference: | ISO/TS 10974:2018 |
| Choice A: | B0 Magnetic Field |
| Choice B: | Gradient Magnetic Field |
| Choice C: | B1 RF Magnetic Field |
| Choice D: | All of the above |
| Question 10: The preservation of the subject’s hearing is enabled by: |
| Reference: | IEC 60601-2-33 |
| Choice A: | Using hearing protection |
| Choice B: | Instructing the patient on the proper application of hearing protection |
| Choice C: | Testing the earplug insertion (e.g. whisper, hand cupping tests) |
| Choice D: | Using double hearing protection where possible |
| Choice E: | All of the above |
