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RADT456

Equipment Operation

QuestionAnswer
What is the function of the image-intensifier tube's input phosphor? Convert x-rays to light
What device changes alternating current to undirectional current? Solid-state diode
What device is used to ensure reproducible radiographs, regardless of different tissue-density? Phototimer
What part of the induction motor is located outside of the glass envelope of the x-ray tube? Stator
Utilizing AEC, if the image is overexposed due to an exposure shorter than the minimum response time, what should the radiographer do? Decrease the millamperage
Where are fractional-focus tubes with a 0.3mm focal spot or smaller used? Magnification radiography
What is magnification radiography used for? To demonstrate small, delicate structures that are difficult to visualize with conventional radiography.
What device converts electrical energy to mechanical energy? Motor
What exam calls for a cassette front to have very low absorption properties? Mammography
What is the relationship between kV and HVL? Direct, increase kV-increase HVL
What is a common cause of pitting of the anode's focal track? Repeated, frequent exposure
What type of x-ray tube is designed to turn off and on quickly and provide multiple short, precise exposures? High speed
What is reproducibility? Exposures repeated at a given technique must provide consistent intensity.
What is the function of the image-intensifier tube's input phosphor? Convert x-rays to light
What device changes alternating current to undirectional current? >99%
What device is used to ensure reproducible radiographs, regardless of different tissue-density? Phototimer
What part of the induction motor is located outside of the glass envelope of the x-ray tube? Stator
Utilizing AEC, how will an image appear if it is overexposed due to an exposure shorter than the minimum response time, what should the radiographer do? Decrease the millamperage
What is the voltage ripple associated with a three-phase, twelve-pulse rectified generator? Magnification radiography
What is magnification radiography use for? To demonstrate small, delicate structures that are difficult to visualize with conventional radiography.
What device converts electrical energy to mechanical energy? Motor
What exam calls for a cassette front to have very low absorption properties? Mammography
Direct, increase kV, increase HVL
What is a common cause of pitting of the anode's focal track? Repeated, frequent exposure
What type of x-ray tube is designed to turn off and on quickly and provide multiple short, precise exposures?
13%
Created by: cindymmc42812