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Unit 3: Dental Radiographic Equipment

Quiz by Jeanne Perrone

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14 questions
Show answers
  • Q1
    X-rays at the center of the beam are known collectively as?
    Scatter radiation
    The central ray
    Anode
    kVp
    30s
  • Q2
    The open end of the tube head is positioned
    Aimed at the table
    12 inches from the patient's face
    Pointed away from the patient's face
    In close proximity to the patient's face
    30s
  • Q3
    What control button is NOT present on the control panel?
    Time
    kVp
    Cycles
    mA
    30s
  • Q4
    What part of the dental x-ray generator contains the x-ray tube, the high voltage and low-voltage transformers, and insulating oit?
    The exposure button
    The tube head
    The extension arm
    The control panel
    30s
  • Q5
    Another name for secondary ray deflected by tissues or other objecs is scatter radiation.
    TRUE
    FALSE
    30s
  • Q6
    The extension arm encloses the wire between?
    The exposure button and the tube head
    The digital sensor and the tube head
    The exposure button and the control panel
    The tube head and the control panel
    30s
  • Q7
    Contrast is the overall darkness of the film
    TRUE
    FALSE
    30s
  • Q8
    The overall darkness or blackness of a film is density
    FALSE
    TRUE
    30s
  • Q9
    Time in a dental x-ray generator is measured in?
    mA
    milliseconds
    kVp
    Seconds
    30s
  • Q10
    Which part of the dental x-ray generator activates the unit to take x-rays?
    The exposure button
    The extension arm
    The timer
    The control panel
    30s
  • Q11
    The yoke is the means by which the tube head is attached to the extension arm and allows it to turn 360 degrees
    FALSE
    TRUE
    30s
  • Q12
    The functions of the tube head include
    Prevents overheating of the x-ray tube
    Provides grounding for the electrical components
    All of the above
    Protects the x-ray tube from damage
    30s
  • Q13
    Which part of the dental x-ray generator activates the unit to take x-rays?
    The control panel
    The exposure button
    The timer
    The extension arm
    30s
  • Q14
    Another name for the cone on the x-ray tube head is called the "Position-Indicating Devoce"
    FALSE
    TRUE
    30s

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