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Unit 4 Bonus

Quiz by Kristen Wells

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20 questions
Show answers
  • Q1

    SID indicator must be accurate within ________% of the indicated SID

    2%

    12%

    15%

    1%

    30s
  • Q2

    What set of shutters are mounted as close as possible to the tube window to reduce off-focus or stem radiation (rad. emitted from parts of tube other than focal spot)

    2nd set lower shutters

    1st set upper shudders

    30s
  • Q3

    Exposure reproductivity of mA should be within

    +/- 10%

    +/- 5%

    +/- 8%

    +/- 2%

    30s
  • Q4

    For fluoroscopy, the total minimum filtration that needs to be installed is what?

    1.5 mm Al

    5.0 mm Al

    2.5 mm Al

    30s
  • Q5

    What is the minimum Source-to-end-of-Collimator-Distance for C-Arm Fluoroscopy (Mobile)?

    12 "

    10"

    15"

    30s
  • Q6

    What type of barrier is located perpendicular to the line of travel to the x-ray beam?

    secondary

    primary

    30s
  • Q7

    What must the lead be in aprons with the use of 100 kVp?

    .5 mm lead

    1 mm lead

    .25 mm lead

    30s
  • Q8

    Standing at what degree will decrease the radiologist or RTs dose?

    15 degree

    90 degree

    75 degree

    45 degree

    30s
  • Q9

    What describes the weekly radiation use of a diagnostic x-ray unit?

    use factor

    "On Time"

    workload

    30s
  • Q10

    Where must the 2nd monitor be worn on a pregnant RT?

    Waist level

    Collar level

    Hanging around neck

    30s
  • Q11

    What type of protective shielding is used in recumbent,non-recumbent, AP, oblique, lateral projections; ¯ exp. by 90-95%;  Ex. Male & Female Gonads, Breast &Lens

    shaped contact shields

    shadow shields

    clear lead shields

    30s
  • Q12

    At what kVp is the air gap technique most effective?

    Higher than 90

    Lower than 90

    30s
  • Q13

    What radiation area is where radiation level is same as background level?

    unrestricted area

    restricted area

    30s
  • Q14

    The radiation area where signs shall be posted at the entrance to any area wherein a person could receive an exposure of 100 mrem or more in one hour is known as?

    High radiation area

    Radiation area

    Very high radiation area

    30s
  • Q15

    Radiology equipment has weigh limits.

    False

    True

    30s

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