Question 1: Which of the following tests is not technically required, but can be valuable, by ACR accreditation during the annual survey of ultrasound systems? |
Reference: | ACR accreditation https://accreditationsupport.acr.org/support/solutions/articles/11000064162-quality-control-ultrasound-and-breast-ultrasound-revised-3-2-2021- |
Choice A: | Physical and Mechanical Inspection |
Choice B: | Uniformity and Artifact Survey |
Choice C: | Geometric Accuracy |
Choice D: | System Sensitivity |
Choice E: | Ultrasound Scanner Display Monitor Performance |
Question 2: Which two tests typically account for the majority of failure findings in ultrasound system QC? |
Reference: | Hangiandreou NJ et al. Four-Year Experience with a Clinical Ultrasound Quality Control Program. Ultrasound in Medicine & Biology. 2011;37(8):1350-7. |
Choice A: | Uniformity/artifact survey and physical/mechanical integrity |
Choice B: | Uniformity/artifact survey and geometric accuracy |
Choice C: | System sensitivity and spatial resolution |
Choice D: | System sensitivity and geometric accuracy |
Question 3: Which of the following is not specifically used in pulse wave Doppler mode to calculate volumetric blood flow? |
Reference: | Hoyt, K., F. A. Hester, R. L. Bell, M. E. Lockhart and M. L. Robbin (2009). "Accuracy of volumetric flow rate measurements: an in vitro study using modern ultrasound scanners." J Ultrasound Med 28(11): 1511-1518. |
Choice A: | Angle correction |
Choice B: | Measurement of the vessel diameter |
Choice C: | Estimate of mean or peak velocity |
Choice D: | Sample volume depth |
Question 4: According to the “Ultrasound measurement of shear wave speed for estimation of liver fibrosis” QIBA profile, within what percentage of weight change over a period of 6 months for a shear-wave-speed phantom used in periodic QA is deemed to have stable properties? |
Reference: | Reference: QIBA Shear Wave Speed Biomarker Committee, “QIBA Profile: Ultrasound Measurement of Shear Wave Speed for Estimation of Liver Fibrosis” available at https://qibawiki.rsna.org/index.php/Ultrasound_SWS_Biomarker_Ctte (Accessed May 1, 2022) |
Choice A: | 10% |
Choice B: | 5% |
Choice C: | 1% |
Choice D: | 0.5% |
Choice E: | 0.1% |
Question 5: How often does the AAPM TG128 (Quality assurance tests for prostate brachytherapy ultrasound systems) recommend testing the needle template/electronic grid alignment for prostate brachytherapy ultrasound systems? |
Reference: | Pfeiffer, D., Sutlief, S., Feng, W., Pierce, H.M. and Kofler, J. (2008), AAPM Task Group 128: Quality assurance tests for prostate brachytherapy ultrasound systems. Med. Phys., 35: 5471-5489. https://doi.org/10.1118/1.3006337, Table II. |
Choice A: | Quarterly |
Choice B: | Semi-annually |
Choice C: | Annually |
Choice D: | Biennially |
Question 6: What does an SNR test on ultrasound transducers tell me about my transducers? |
Reference: | IEC TS 62736:2016, Ultrasonics - Pulse-echo scanners - Simple methods for periodic testing to verify stability of an imaging system's elementary performance, pp 21-24 |
Choice A: | The noise levels in the image versus depth |
Choice B: | The depth where noise and signal levels meet |
Choice C: | The signal levels in the image versus depth |
Choice D: | All of the above |