placeholder image to represent content

RadRev: "Exposures"

Quiz by Robert Peacock

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
72 questions
Show answers
  • Q1

    What is the main contributing factor to Receptor Exposure?

    kVp

    mA

    FSS

    mAs

    30s
  • Q2

    What would happen to Receptor Exposure to the I.R. if you were to increase kVp AND the field size?

    nothing

    make the Bucky glow

    decreases

    Increases

    30s
  • Q3

    What would happen to the amount of Receptor Exposure to the I.R. when imaging a patient with an additive pathology present?

    decreases

    increases

    it reverses

    nothing

    30s
  • Q4

    Which of the following DOES NOT have a relationship with Receptor Exposure?

    mAs

    Motion

    Distance

    Anode Heel Effect

    30s
  • Q5

    What would be the time, in seconds, for a technique with 80 mAs and 400 mA?

    .002

    .02

    .2

    2

    60s
  • Q6

    If you used 8 mAs with a 8:1 grid, what mAs would you use with a 16:1 grid while maintaining receptor exposure?

    5.3

    12

    6

    18

    60s
  • Q7

    What is the most common type of grid cutoff?

    Off-center

    Off-focus

    Off-level

    Upside-Down

    30s
  • Q8

    During Off-Center grid cutoff, why does the image result in an overall loss of receptor exposure to the I.R.?

    The focal spot size was the wrong size

    The image receptor was from another room

    Incorrect technique selection  

    The beam divergence does not match the angles of the lead strips in the grid  

    30s
  • Q9

    What material makes up a photostimuable phosphor plate and what is the activator that captures the energy?

    barium fluorohalide, europium   

    cesium iodide, gold 

    gadolinium oxysulfide, amorphous silicon

    amorphous selenium, europium  

    30s
  • Q10

    What type of grid cutoff occurs when using an SID outside of the recommended focal range and results in a loss of receptor exposure at the periphery of the image?

    Off-level

    Upside-down

    Off-focus

    Moire Effect

    30s
  • Q11

    What causes the Moire Effect?

    the grid frequency is completely different to the laser scanning frequency 

    the grid ratio is similar to the laser scanning frequency

    the grid frequency is similar to the laser scanning frequency

    Crazy fashion sense

    30s
  • Q12

    How are the crystal lattices in a PSP plate organized?

    criss-cross, applesauce

    Structured, columnar  

    turbid, structured

    turbid, random 

    30s
  • Q13

    In CR image acquisition, what percentage of liberated electrons get trapped in the conductive layer of a PSP cassette?

    30%

    50%

    75%

    25%

    30s
  • Q14

    What is the graphical display of the distribution of pixels values called in DR?

    MTF

    VOI's

    origami

    histogram

    30s
  • Q15

    What is the prime factor related to the Look-Up Table?

    Distortion

    Receptor Exposure

    Spatial Res.

    Contrast

    30s

Teachers give this quiz to your class