LRA 211 Final exam Questions and Correct
Answers
The amount of light emitted from the display monitor is Ans:
Brightness
The cathode includes the Ans: Filaments and focusing cup
The earliest atomic theory based on as arrangement similar to the
solar system is attributed to Ans: Rutherford
The portion of the induction motor that is outside the tube
enclosure is the Ans: Stator
Filtration placed in the path of the x-ray beam Ans: absorbs low
energy photons
Proctective apparel is often made of lead because it Ans: Has a
high atomic number
The negative end of the x-ray tube is the Ans: Cathode
Which of the following factors affect beam quantity Ans: All of
these
kVp
Distance
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Filtration
Soultions, x-ray tube leaking radiation can be no more than Ans:
100 mR per hour at a distance one meter
Material like bone is considered Ans: Radiopaque
The majority of the x-ray photons produced are Ans: Brems
photons
Increase in the image size of an object compared with its true or
actual size is called Ans: Size distortion
After a photoelectric interaction, the incident photon Ans: loses
all of its energy and no longer exists
X-ray are produced Ans: Using fast moving electrons
Secondary x-ray photons are the result of Ans: Compton and
photoelectric interactions
Most classical scatter photons Ans: are absorbed in the body
Compton scattering results in Ans: All of these
a Compton electron
A secondary electron
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