| Question 1: 1. Which is a key benefit of IEC International Standards? |
| Reference: | https://www.iec.ch/about/activities/?ref=menu |
| Choice A: | Enable new laws to regulate sale of electrical equipment |
| Choice B: | Generate revenue for member states |
| Choice C: | Facilitate international trade and market relevance of products |
| Choice D: | Ensure the highest possible technical performance |
| Choice E: | Eliminate requirements for testing new products |
| Question 2: The role of the Technical Advisory Group (TAG) is which of the following? |
| Reference: | http://www.ansi.org/standards_activities/iec_programs/governance_committees/gen_info.aspx?menuid=3#tag |
| Choice A: | Publish new International Standards |
| Choice B: | Pass regulations regarding new equipment |
| Choice C: | Attend Subcommittee meeting and cast votes |
| Choice D: | Submit comments and votes to the Working Group |
| Choice E: | Advise the National Committee how to vote |
| Question 3: How do IEC safety standards improve safety in radiology and radiation therapy? |
| Reference: | https://www.iec.ch/perspectives/government/?ref=menu |
| Choice A: | They impose requirements on manufacturers for design and testing of new equipment models |
| Choice B: | They recommend education and training for professionals working with the equipment |
| Choice C: | They contain regulations that countries must comply with, to be able to offer radiology and radiation oncology services |
| Choice D: | They provide guidance for local regulatory authorities to conduct inspections of clinical facilities |
| Choice E: | All of the above |
| Question 4: Setting reasonable action limits on Deviation Index (defined in IEC standard 62494-1 Ed. 1) to determine if repeat radiographic imaging is required is: |
| Reference: | Dave, J. K., Jones, A. K., Fisher, R. , Hulme, K. , Rill, L. , Zamora, D. , Woodward, A. , Brady, S. , MacDougall, R. D., Goldman, L. , Lang, S. , Peck, D. , Apgar, B. , Shepard, S. J., Uzenoff, R. and Willis, C. (2018), Current state of practice regarding digital radiography exposure indicators and deviation indices: Report of AAPM Imaging Physics Committee Task Group 232. Med. Phys., 45: e1146-e1160. doi:10.1002/mp.13212 |
| Choice A: | Achievable and applicable across all x-ray acquisition protocols and practices |
| Choice B: | Achievable using the same target exposure index for all x-ray acquisition protocols |
| Choice C: | Achievable using a practice, equipment, and x-ray protocol dependent approach |
| Choice D: | Not achievable at all |
| Question 5: Use of a threshold value of reference point air kerma (Ka,r) as defined in IEC Standard 60601-2-43 Ed. 2 as a metric for follow up of image guided interventions is |
| Reference: | B. C. Perry, C. R. Ingraham, B. K. Stewart, K. Valji and K. M. Kanal, Academic radiology 26 (2), 163-169 (2019). |
| Choice A: | Not as useful as using a fluoroscopy time threshold |
| Choice B: | Useful to identify patients who may have tissue reactions |
| Choice C: | Consistent with Society of Interventional Radiology guidelines |
| Choice D: | Both answers B and C |
| Question 6: IEC standard 60601-2-44 Ed. 3 Amendment 1(Basic safety and essential performance of CT scanners) approximates CTDI100 for detector configurations (nT) > 40mm by (PLEASE NOTE PARANTHESIS USED INSTEAD OF SUBSCRIPTS FOR EASE OF READING): |
| Reference: | Bujila, R. , Kull, L. , Danielsson, M. and Andersson, J. (2018), Applying three different methods of measuring CTDIfree air to the extended CTDI formalism for wide-beam scanners (IEC 60601-2-44): A comparative study. J Appl Clin Med Phys, 19: 281-28 |
| Choice A: | Using the same formula as for detector configurations < 40mm |
| Choice B: | Utilizing the ratio of CTDI(free air, nT>40mm) to CTDI(free air, nt<40mm) |
| Choice C: | Utilizing the ratio of CTDI(w, nt>40mm) to CTDI(w, nt<40mm) |
| Choice D: | Utilizing the ratio of CTDI(free air, nT<40mm) to CTDI(free air, nt>40mm) |
