230final

  1. An artifact can be _____.



    D. all answers
  2. A ____ is an exaple of an exposure artifact.



    D. foreign object
  3. A static mark artifact is created during ____ of the film.



    C. handling
  4. What sort of artifact is a guide-shoe mark?



    D. processing artifact
  5. Generally, most repeat exams are caused by ____ artifacts.



    B. exposure
  6. A cassette that is improperly positioned can cause a _____ artifact.



    D. grid cut-off
  7. Misalignment of the processor turnaround assembly can cause ____.



    A. guide-shoe marks
  8. A greasy appearance of a film is usually caused by _____.



    B. inadequate washing
  9. Lines that occur 3.14 inches apart on the finished radiograph are caused by ___.



    D. chemical build-up on rollers
  10. Thin lines on the leading and trailing edge of a silm are ____.



    C. guide-shoe marks
  11. A bi-color chemical stain on a radiograph is called ______.



    B. a dichronic stain
  12. Low humidity in the darkroom can cause ____.



    C. tree static
  13. A streak of high optical density on the finished radiograph can be caused by _____.



    A. light leaks in the cassette or darkroom
  14. What can cause image blur on the finished radiograph?



    A. patient motion
  15. Kink marks are caused by ______.



    D. fingernails
  16. A quality assurance program monitors _____.
    people
  17. A quality control program is for?



    D. all answers
  18. Most quality control testing on radiographic equipment is done ______.
    annually
  19. The measured kVp should be within _____ of the kVp indicated on the console.
    +/- 10%
  20. Comparing the mR output at 50mA @ 0.2 sec, 100mA @ 0.1 sec, and 200mA @ 0.05 sec is part of a test for _____.



    D. linearity
  21. Unlimited ESE is permitted by federal law during _____ procedures,



    B. cineradiography
  22. Quality control testing for computerized tomography must be performed on a ____ basis.



    A. all answers
  23. ______ is used to test noise and uniformity on CT imaging systems.



    D. water bath
  24. The standard for DICOM was developed by a committee of the?
    NEMA and ACR
  25. The consistant appearance of DICOM images on any compatable digital display device is achieved through ______.



    B. perceptual linearization
  26. The quality control standard for flat panel displays was released by ______ in 1998.
    VESA
  27. The task group 18 is a procedure manual for?
    testing digital devices
  28. A photometer is a ______.



    A. luminescene meter
  29. A telescope photometer is used at what distance?
    1 meter
  30. Digital disply reflections and ambient light conditions are assessed with an?
    illuminance meter
  31. The TG18-LPV/LPH test is used to evaluate _______.
    geometric distortion
  32. Specular reflextion can be tested wit the
    1. TG 18AD pattern
    2. Ambient light turned off
    3. Ambient light turned on




    C. 1, 2 and 3
  33. T/F- Specular reflection can be assessed by only turning off the monitor in ambient light.
    true
  34. Spatial resolution of the digital display monitor is done with the ____ test pattern.



    D. TG18-CX
  35. The qualitative evaluation of luminance response is measured with the ____ test tool.



    A. TG18-CT
  36. Display noise is measured using the _____ test pattern.
    TG18-AFC
  37. Daily evaluation of the monitors should be done with the ______ test tool (pattern).
    TG18-QC
  38. The half value layer (HVL) is a measurement of the beams?
    quality
  39. Crossover is a radiographic problem because it decreases _____.



    A. recorded detail
  40. The Roentgen is a measure of the beams



    A. intensity
  41. A cresent moon shaped dark artifact is caused by?
    crimped film
  42. The timer must be accurate to within ____?
    5%
  43. mAs linearity should be within ____?
    10%
  44. Hypo rention means that ____ was left in the emulsion after processing.
    fixer
  45. T/F- The reflective layer of an intensifying screen deflects light aways from the film.
    False
Author
lunchbox
ID
73919
Card Set
230final
Description
Questions for neil's final
Updated