Comprehensive RADT 100 Questions and Answers: Ace Your Radiologic Technology Exams

Comprehensive RADT 100 Questions and Answers: Ace Your Radiologic Technology Exams 1. Digital imaging techniques can be used in: all answers listed 2. Mammography is radiographic imaging of the: breast 3. SELECT TWO: Digital imaging could only be developed after advances were made in: 1. microprocessors 2. semiconductor memory 4. Which of the following modulation requires the best spatial resolution?: - mammography 5. As spatial resolution increases, lp/mm .: increases 6. The dynamic range determines the degree of in the image.: con- trast resolution 7. Digital fluoroscopy uses at least monitor(s): 2 8. A principal advantage of digital fluoroscopy is: image subtraction 9. Digital fluoroscopy systems with hybrid capabilities use both: temporal and energy subtraction 10. T/F: Digital fluoroscopic dose rate is lower than that for continuous analog fluoroscopy: true 11. SELECT 3: Further imaging workup of breast cancer can include?: 1. ultrasound 2. tomosynthesis 3. MRI 12. Recent studies have shown that 50% of breast cancers will occur in the: upper outer quadrant 13. Approximately of breast cancer is DCIS?: 80% 14. Soft tissue radiography requires special techniques because of the low .: subject contrast 15. When doing soft tissue radiography, the differential absorption between and must be enhanced.: glandular, fat 16. DQE is: detective quantum efficiency 17. In soft tissue radiography, such as mammography, all of the tissues being imaged have similar: all listed are similar 18. The breast tissue tends to be increasingly in older women.: fatty 19. Breast compression increases .: spatial resolution 20. resolution is defined as the ability to image 2 separate objects and visually detect one from the other: spatial 21. DCIS appears on a mammogram as .: microcalcifications 22. Which imaging modality was first to use computerized (the aid of comput- er) image production?: CT 23. Which pitch setting would give the patient the highest radiation dose, assuming all other factor remain the same?: 0.5 24. The degree of spatial resolution in any imaging system is limited to the size of the : pixel 25. PET stands for: positron emission tomography 26. SELECT 3: Hybrid imaging can include?: 1. computed tomography 2. magnetic resonance 3. nuclear medicine 27. Which modality is primarily used to image physiological function?: nuclear medicine 28. Which imaging modality has the highest specificity of detecting breast cancer?: MRI 29. SELECT 2: What is the primary function of fluoroscopy?: 1. real time imaging 2. motion studies