230final

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Author:
lunchbox
ID:
73919
Filename:
230final
Updated:
2011-03-19 21:13:28
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CBC Neil\'s Final
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Questions for neil's final
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  1. An artifact can be _____.
    A. an object that is not part of the radiographed anatomy
    B. an improper grid or warped cassette
    C. all answers
    D. patient motion
    C. all answers
    (this multiple choice question has been scrambled)
  2. A ____ is an exaple of an exposure artifact.
    A. foreign object
    B. Pi line
    C. pressure mark
    D. dichronic stain
    A. foreign object
    (this multiple choice question has been scrambled)
  3. A static mark artifact is created during ____ of the film.
    A. all answers
    B. handling
    C. exposure
    D. development
    B. handling
    (this multiple choice question has been scrambled)
  4. What sort of artifact is a guide-shoe mark?
    A. exposure artifact
    B. processing artifact
    C. handling artifact
    D. storage artifact
    B. processing artifact
    (this multiple choice question has been scrambled)
  5. Generally, most repeat exams are caused by ____ artifacts.
    A. exposure
    B. processing
    C. handling
    D. storage
    A. exposure
    (this multiple choice question has been scrambled)
  6. A cassette that is improperly positioned can cause a _____ artifact.
    A. grid cut-off
    B. double exposure
    C. blur
    D. fog
    A. grid cut-off
    (this multiple choice question has been scrambled)
  7. Misalignment of the processor turnaround assembly can cause ____.
    A. Pi lines
    B. tree static
    C. grid cut-off
    D. guide-shoe marks
    D. guide-shoe marks
    (this multiple choice question has been scrambled)
  8. A greasy appearance of a film is usually caused by _____.
    A. inadequate processing chemistry
    B. improper develpoer heat
    C. inadequate washing
    D. excess hardner chemicals
    C. inadequate washing
    (this multiple choice question has been scrambled)
  9. Lines that occur 3.14 inches apart on the finished radiograph are caused by ___.
    A. chemical build-up on rollers
    B. misalignment of guide-shoes
    C. grid cut-off during exposure
    D. poor film-screen contact
    A. chemical build-up on rollers
    (this multiple choice question has been scrambled)
  10. Thin lines on the leading and trailing edge of a silm are ____.
    A. Pi lines
    B. guide-shoe marks
    C. dichronic stains
    D. emulsion build-up
    B. guide-shoe marks
    (this multiple choice question has been scrambled)
  11. A bi-color chemical stain on a radiograph is called ______.
    A. a curtain effect and dichronic stain
    B. a dichronic stain
    C. a curtain effect
    D. hypo retention
    B. a dichronic stain
    (this multiple choice question has been scrambled)
  12. Low humidity in the darkroom can cause ____.
    A. brown stains
    B. film fog
    C. pressure marks
    D. tree static
    D. tree static
    (this multiple choice question has been scrambled)
  13. A streak of high optical density on the finished radiograph can be caused by _____.
    A. film boxes stacked too high in storage
    B. inadequate washing in the processor
    C. light leaks in the cassette or darkroom
    D. high humidity in the darkroom
    C. light leaks in the cassette or darkroom
    (this multiple choice question has been scrambled)
  14. What can cause image blur on the finished radiograph?
    A. all answers
    B. high humidity
    C. patient motion
    D. chemical imbalance
    C. patient motion
    (this multiple choice question has been scrambled)
  15. Kink marks are caused by ______.
    A. bending film
    B. light leaks
    C. misaligned rollers
    D. fingernails
    D. fingernails
    (this multiple choice question has been scrambled)
  16. A quality assurance program monitors _____.
    people
  17. A quality control program is for?
    A. all answers
    B. CT scanners
    C. x-ray tubes
    D. film processors
    A. all answers
    (this multiple choice question has been scrambled)
  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 _____.
    A. linearity
    B. uniformity
    C. reciprocity
    D. reproducibility
    A. linearity
    (this multiple choice question has been scrambled)
  21. Unlimited ESE is permitted by federal law during _____ procedures,
    A. interventional
    B. C-arm
    C. routine
    D. cineradiography
    D. cineradiography
    (this multiple choice question has been scrambled)
  22. Quality control testing for computerized tomography must be performed on a ____ basis.
    A. monthy
    B. all answers
    C. daily/weekly
    D. annual
    B. all answers
    (this multiple choice question has been scrambled)
  23. ______ is used to test noise and uniformity on CT imaging systems.
    A. a wire
    B. AAPM five-pin insert
    C. a step wedge
    D. water bath
    D. water bath
    (this multiple choice question has been scrambled)
  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 ______.
    A. specular reflection
    B. SMPTE pattern
    C. digital driving levels
    D. perceptual linearization
    D. perceptual linearization
    (this multiple choice question has been scrambled)
  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. TG-18 device
    B. illuminance meter
    C. luminescene meter
    D. dosimeter
    C. luminescene meter
    (this multiple choice question has been scrambled)
  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

    A. 1, 2 and 3
    B. 1 and 3
    C. 1 only
    D. 1 and 2
    A. 1, 2 and 3
    (this multiple choice question has been scrambled)
  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.
    A. TG18-AD
    B. TG18-AFC
    C. TG18-CX
    D. TG18-LN
    C. TG18-CX
    (this multiple choice question has been scrambled)
  35. The qualitative evaluation of luminance response is measured with the ____ test tool.
    A. TG18-CT
    B. TG18-LN
    C. TG18-AD
    D. TG18-LPV/LPH
    A. TG18-CT
    (this multiple choice question has been scrambled)
  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. film speed
    B. density
    C. recorded detail
    D. contrast
    C. recorded detail
    (this multiple choice question has been scrambled)
  40. The Roentgen is a measure of the beams
    A. intensity
    B. quality
    C. energy
    D. OID
    A. intensity
    (this multiple choice question has been scrambled)
  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

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