| Question 1: MRI Safety Zone IV is the scanner room itself. Every entrance to Zone 4 must have a sign stating ? |
| Reference: | Kanal et. al. ACR Guidance Document on MR Safe Practices: 2013. Journal of Magnetic Resonance Imaging 37:501–530 (2013)
|
| Choice A: | The magnet is always on. |
| Choice B: | Danger – MRI Zone 4. |
| Choice C: | Caution – MRI Zone 4. |
| Choice D: | A and B only. |
| Question 2: MRI related thermal injuries (RF-induced burns) may result from _____.
|
| Reference: | ASTM F2182. Standard test method for measurement of radiofrequency induced heating on or near passive implants during magnetic resonance imaging. |
| Choice A: | Conductive paths formed by patient tissues. |
| Choice B: | Direct contact with the scanner bore. |
| Choice C: | Rapidly switching magnetic field gradients. |
| Choice D: | All of the above. |
| Choice E: | A and B only. |
| Question 3: In addition to the main static magnetic field, MRI safety considerations should also address ___.
|
| Reference: | Kanal et. al. ACR Guidance Document on MR Safe Practices: 2013. Journal of Magnetic Resonance Imaging 37:501–530 (2013)
|
| Choice A: | Radiofrequency Fields. |
| Choice B: | Magnetic Gradients. |
| Choice C: | Gadolinium based contrast agents. |
| Choice D: | All of the above. |
| Choice E: | A and B only. |
| Question 4: Equipment, objects, and devices entering Zone III or Zone IV must be evaluated and labeled appropriately for compatibility with the MRI environment. The possible labels are:
|
| Reference: | ASTM F2503-13. Standard Practice for Marking Medical Devices and Other Items for Safety in the Magnetic Resonance Environment. |
| Choice A: | MR Safe. |
| Choice B: | MR Unsafe. |
| Choice C: | MR Compatible. |
| Choice D: | A and B only. |
| Choice E: | All of the above. |
| Question 5: A device or object is classified as MRI-Safe if it is
|
| Reference: | Establishing Safety and Compatibility of Passive Implants in the Magnetic Resonance (MR) Environment – Guidance for Industry and Food and Drug Administration Staff (2013)
|
| Choice A: | Not magnetic. |
| Choice B: | Not metallic. |
| Choice C: | Not electrically conductive. |
| Choice D: | All of the above. |
| Choice E: | A and b only. |
| Question 6: The following should be addressed during patient MRI Safety screening:
|
| Reference: | Kanal et. al. ACR Guidance Document on MR Safe Practices: 2013. Journal of Magnetic Resonance Imaging 37:501–530 (2013)
|
| Choice A: | Implanted medical devices or objects. |
| Choice B: | Metallic jewelry, clothing, and personal effects. |
| Choice C: | History of imaging studies in the past 12 months. |
| Choice D: | All of the above. |
| Choice E: | A and B only. |
