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RADT 465

Equipment Operations and Quality Control

QuestionAnswer
What is the focusing cup usually made out of? (( A-4 Radiologic Technology Review (Kettering)) Molybdenum or nickel
What removes low energy, non-diagnostic x-ray photons from the primary beam? (( A-10 Radiologic Technology Review (Kettering)) Filtration
This equation is used to calculate a change in beam intensity with changes in SID (( A-11 Radiologic Technology Review (Kettering)) Inverse Square Law
This equation is used to maintain radiographic density with changes in SID (( A-12 Radiologic Technology Review (Kettering)) Direct Square Law
Progressive absorption of the X-ray beam as it passes through matter (( A-12 Radiologic Technology Review (Kettering)) Attenuation
What is the glass envelope comprised of? (( A-14 Radiologic Technology Review (Kettering)) Pyrex glass, this contains a high melting point
What is the name of the negative electrode of the tube? (( A-15 Radiologic Technology Review (Kettering)) Cathode
What is the name of the positive electrode of the tube? (( A-16 Radiologic Technology Review (Kettering)) Anode
The changing magnetic field that is created by inducing an opposing voltage in a single coil of wire is called what? (( A-28 Radiologic Technology Review (Kettering)) Self Induction
Inducing a current through a secondary coil by varying the current through the primary coil (( A-28 Radiologic Technology Review (Kettering)) Mutual Induction
What does XLELM stand for? (( A-44 Radiologic Technology Review (Kettering)) x-rays-light photons-electrons-light photons-monitor
What is the input phosphor usually comprised of? (( A-44 Radiologic Technology Review (Kettering)) Cesium Iodide
This converts light photons from the input phosphor into free electrons (( A-44 Radiologic Technology Review (Kettering)) Photocathode
This allows the electrons to pass through the output phosphor (( A-44 Radiologic Technology Review (Kettering)) Anode
This converts electrons sent from the photocathode into light photons (( A-45 Radiologic Technology Review (Kettering)) Output Phosphor
What percent must the beam restrictions be within of the SID? (( A-57 Radiologic Technology Review (Kettering)) Plus or minus 2%
What percent must the reproducibility be within? (( A-58 Radiologic Technology Review (Kettering)) Plus or minus 5%
This kind of artifact is from processor rollers 1" in diameter, which would leave a repeating pattern every 3.14 inches (( A-65 Radiologic Technology Review (Kettering)) Pi Lines
The phosphor or active layer of a cassette is made from? (( A-51 Radiologic Technology Review (Kettering)) Europium-activated barium fluorohalide
What is the voltage ripple for a high frequency exam? (( A-43 Radiologic Technology Review (Kettering)) 1%
What is the voltage ripple for a 3 phase 6 pulse (( A-42 Radiologic Technology Review (Kettering)) 13%
What is the voltage ripple for a 3 phase 12 pulse (( A-42 Radiologic Technology Review (Kettering)) 4%
Created by: cameron101691
 

 



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