Test1-230

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Author:
lunchbox
ID:
70919
Filename:
Test1-230
Updated:
2011-03-05 19:37:16
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CBC Radiology RADTEC230 Test1
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230 test 1
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  1. The care billis to insure that radiological services are
    A. safer
    B. less costly
    C. all the answers
    D. more accurate
    C. all the ansers
    (this multiple choice question has been scrambled)
  2. The half value layer (HVL) is a measurement of the beams
    A. intensity
    B. filtration
    C. quality
    D. heat value
    C. quality
    (this multiple choice question has been scrambled)
  3. Crossover is a radiographic problem because it decreases
    A. film speed
    B. recorded detail
    C. contrast
    D. density
    B. recorded detail
    (this multiple choice question has been scrambled)
  4. Poor film-screen contact results in a loss of
    A. detail
    B. contrast
    C. speed
    D. quantum mottle
    A. detail
    (this multiple choice question has been scrambled)
  5. Common film artifacts include
    A. dust spots
    B. static lines
    C. roller marks
    D. all answers
    D. all answers
    (this multiple choice question has been scrambled)
  6. The emulsion of the x-ray film consists of
    A. silver halide crystals
    B. barium
    C. calcium tungsten
    D. yttrium
    A. silver halide crystals
    (this multiple choice question has been scrambled)
  7. SMPTE stands for?
    Society of Motion Picture and Television Engineers
  8. Medical images are transferred using the ____ standard.
    A. DIN
    B. VESA
    C. SMPTE
    D. DICOM
    D. DICOM
    (this multiple choice question has been scrambled)
  9. It is acceptable to perform a _____ test, instead of measuring the focal spot.
    A. wire mesh test
    B. half-value layer
    C. line pair
    D. exposure linearity
    C. line pair
    (this multiple choice question has been scrambled)
  10. Screen characteristics (speed, detail etc) are determined by
    A. the thickness of the phosphor layer
    B. size of the phospor crystals
    C. all answers
    D. the phosphor composition
    C. all answers
    (this multiple choice question has been scrambled)
  11. Filtration is measured
    A. as added or inherent
    B. in mm of Al
    C. in units of copper Cu
    D. in mm of Al equivalent
    D. in mm of Al equivalent
    (this multiple choice question has been scrambled)
  12. Developer can be contaminated by low amounts of
    A. fixer
    B. glutaraldhyde
    C. solvent
    D. added filtration
    A. fixer
    (this multiple choice question has been scrambled)
  13. The quality of the beam is effected by
    A. time setting
    B. the mA setting
    C. SID setting
    D. kVp setting
    D. kVp setting
    (this multiple choice question has been scrambled)
  14. The Roentgen is a measure of the beams
    A. intensity
    B. energy
    C. quality
    D. OID
    A. intensity
    (this multiple choice question has been scrambled)
  15. Sensitometry is the study of
    A. silver halide response to exposure and development
    B. phosphors spectral matching
    C. the five senses
    D. silver radio-nucleotide activity
    A. silver halide response to exposure and development
    (this multiple choice question has been scrambled)
  16. A cresent moon shaped dark artifact is caused by
    A. safe light exposure
    B. fog
    C. crimped film
    D. finger prints
    C. crimped film
    (this multiple choice question has been scrambled)
  17. The timer must be accurate to witin
    A. 10%
    B. 5%
    C. 7%
    D. 2%
    B. 5%
    (this multiple choice question has been scrambled)
  18. mAs linearity should be within
    A. 7%
    B. 10%
    C. 2%
    D. 5%
    B. 10%
    (this multiple choice question has been scrambled)
  19. Repeat rates should be no more than?
    3-10%
  20. Film identification must have (as a minimum) what 5 items?
    • Patient ID
    • Patient name
    • Institutional name
    • Date of exam
    • Side (left of right)
  21. What is the purpose of film processing?
    get a latent image to a manefest image
  22. The backup timer should be set to _____ of the expected time.
    150%
  23. Focal spot size is measured by a?
    pin hole camers, star pattern test, line pair test
  24. Standiong 7 feet from the patient, you receive a dose of 2.8mR per minute. If you move to a distance of 30 inches, what is your new exposure rate?
    21.95 mR
  25. A standard pattern made to meausre the resolution of digital display systems is called the
    A. gray scale display pattern
    B. DICOM standard
    C. SMPTE pattern
    D. VESA pattern
    C. SMPTE pattern
    (this multiple choice question has been scrambled)
  26. Medical images are transferred using the ____ standard.
    A. SMPTE
    B. DICOM
    C. VESA
    D. DIN
    B. DICOM
    (this multiple choice question has been scrambled)
  27. The standard for Digital Imaging and Communication was developed by a commotte of the _____
    A. ACR and NEMA
    B. ACR and DIN
    C. ACR and VESA
    D. DIN and NEMA
    A. ACR and NEMA
    (this multiple choice question has been scrambled)
  28. The consistent appearance of DICOM images on any compatable digital display device is acheived through
    A. specular reflection
    B. SMPTE pattern
    C. digital driving levels
    D. perceptual linearization
    D. perceptual linearization
    (this multiple choice question has been scrambled)
  29. The quality control standard for flat panel displays was released by ____ in 1998.
    A. DIN
    B. VESA
    C. NEMA
    D. SMPTE
    B. VESA
    (this multiple choice question has been scrambled)
  30. The task group report 18 is a procedure manual for?
    A. testing doing CT exams
    B. evaluating the SMPTE pattern
    C. evaluating gray scale function
    D. testing digital display devices
    D. testing digital display devices
    (this multiple choice question has been scrambled)
  31. There are ____ types of photometers commonly used.
    2
  32. A photometer is a _____.
    A. luminescence meter
    B. dosimeter
    C. TG-18 test device
    D. illuminance monitor
    A. luminescence meter
    (this multiple choice question has been scrambled)
  33. A telescope photometer is used at _____ (what distance)?
    1 meter
  34. Digital display reflections and ambient light conditions are assessed with a ______.
    A. near-range photon meter
    B. TG-18 test device
    C. illuminance meter
    D. luminescence metrodone
    C. illuminance meter
    (this multiple choice question has been scrambled)
  35. Luminance response can be tested with a
    1. near range photometer
    2. telescope photometer
    3. illuminating meter

    A. 1 or 2
    B. 2 only
    C. 3 only
    D. 1 only
    A. 1 or 2
    (this multiple choice question has been scrambled)
  36. Most of the wuality control testing of digital display devices is performed with the use of ____ test patterns.
    A. SMPTE
    B. AAPM TG-18
    C. DIN
    D. VESA
    B. AAPM TG-18
    (this multiple choice question has been scrambled)
  37. The TG-18LPV/LPH test is used to evaluate _____.
    A. luminance response
    B. geometric distortion
    C. display noise
    D. reflection
    B. geometric distortion
    (this multiple choice question has been scrambled)
  38. Specular reflection is reduced with the use of
    A. brighter ambient lighting
    B. color monitors
    C. improved anti-reflective coating
    D. larger monitors
    C. improved anti-reflective coating
    (this multiple choice question has been scrambled)
  39. Specular reflection can be tested with the
    1. TG-18-AD pattern
    2. ambient light turned on
    3. ambient light turned off

    A. 1 only
    B. 1 & 2
    C. 1 & 3
    D. 1,2 &3
    D. 1,2 &3
    (this multiple choice question has been scrambled)
  40. Specular reflection can be assessed by only turning off the monitor in ambient light.
    true or false
    True
  41. The qualitative evaluation of luminance response is measured with the ____ test tool.
    A. TG18-CT
    B. TG18-LPV/LPH
    C. TG18-LN
    D. TG18-AD
    A. TG18-CT
    (this multiple choice question has been scrambled)
  42. Spatial resolution of the digital display monitor is done with the ____ test pattern.
    A. TG18-AD
    B. TG18-LN
    C. TG18-AFC
    D. TG18-CX
    D. TG18-CX
    (this multiple choice question has been scrambled)
  43. Display noise is measured using the ______ test pattern.
    A. TG18-AD
    B. TG18-LN
    C. TG18-QC
    D. TG18-AFC
    D. TG18-AFC
    (this multiple choice question has been scrambled)
  44. Daily evaluation of the monitors should be done with the _____ test tool.
    A. TG18-AD
    B. TG18-QC
    C. TG18-LPV/LPH
    D. TG18-LN
    B. TG18-QC
    (this multiple choice question has been scrambled)
  45. T/F- Daily quality control testing is done by the medical physicist.
    False
  46. A continuous quality control program for digital display devices should include
    1- acceptance testing of any new devices
    2- routine quality control
    3- periodic review of the program by a medical physicist
    4- annual and post-repair performace evaluations
    all answers
  47. T/F-Veiling glare can be evaluated with the VG18 testing pattern.
    true
  48. Names of Neil's cats
    • Clare
    • Boy
    • Elizabeth
    • Titan

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