| Question 1: Of the following, choose the quantities that are most often reported by a current CT scanner at the end of a CT exam: |
| Reference: | Size-specific dose estimates (SSDE) in pediatric and adult body CT Examinations: report of AAPM Task Group 204, American Association of Physicists in Medicine, College Park, MD, 2011. |
| Choice A: | CT Dose Index Volume (CTDIv) and Dose Length Product (DLP). |
| Choice B: | CTDIv, DLP, and scanned length. |
| Choice C: | DLP and pitch. |
| Choice D: | Average tube current time product (mAs) and DLP. |
| Question 2: Of the following, which attribute of CT scanners enables capturing of post exam dose information in a standardized electronic format that can be included in a patient record, as identified and recommended in NEMA XR29 standard? |
| Reference: | Standard Attributes on CT Equipment Related to Dose Optimization and Management, NEMA XR 29, 2013 |
| Choice A: | Localizer radiograph. |
| Choice B: | Dose summary screen capture. |
| Choice C: | Electronic scan parameters. |
| Choice D: | Radiation Dose Structure Report (RDSR). |
| Question 3: DICOM attributes of CT images are imbedded in DICOM images. Which of the following statements is true regarding the validity and consistency of such data? |
| Reference: | DICOM PS3.5 2018b - Data Structures and Encoding, Section 7.4, link: http://dicom.nema.org/medical/dicom/current/output/html/part05.html#sect_7.4 |
| Choice A: | All CT image attributes defined in the DICOM standard are required to be present. |
| Choice B: | All CT image attributes defined in the DICOM standard are required to have valid values. |
| Choice C: | The Data Element Type of an Attribute specifies if its presence is required. |
| Choice D: | None of the above. |
| Question 4: Why is the Radlex Playbook used by the ACR Dose Index Registry? |
| Reference: | The ACR DIR Mapping Tool User Guide
https://nrdr.acr.org/Portal/HELP/DIR/ACRUserGuideDIRMappingTool.pdf
|
| Choice A: | Define the ingredients of the structured dose report. |
| Choice B: | Provide standardized imaging procedure names. |
| Choice C: | Provide the technical parameters for CT protocols. |
| Choice D: | Define dose limits for CT protocols. |
| Question 5: Which of the following can be considered as an essential component of a common data visualization / data mining pipeline? |
| Reference: | Dale, K., Data visualization with Python and Javascript. Sebastopol: O’Reilly Media, 2016 |
| Choice A: | Data collection and data cleaning. |
| Choice B: | Data warehousing. |
| Choice C: | Data exploration. |
| Choice D: | Data visualization. |
| Choice E: | All of the above. |
| Question 6: Patient size plays an important role in the determination of absorbed radiation dose from an imaging exam. Which of the following is not a patient size metrics from a CT exam? |
| Reference: | “Use of water equivalent diameter for calculating patient size and size-specific dose estimates (SSDE) in CT,” report of AAPM Task Group 220, American Association of Physicists in Medicine, College Park, MD, 2014. |
| Choice A: | Patient effective diameter. |
| Choice B: | Water equivalent diameter. |
| Choice C: | Water equivalent area. |
| Choice D: | Patient age. |
