LRA 211 Final exam
The amount of light emitted from the display monitor is - ✔✔ correct answer Brightness
The cathode includes the - ✔✔ correct answer Filaments and focusing cup
The earliest atomic theory based on as arrangement similar to the solar system is attributed to - ✔✔
correct answer Rutherford
The portion of the induction motor that is outside the tube enclosure is the - ✔✔ correct answer
Stator
Filtration placed in the path of the x-ray beam - ✔✔ correct answer absorbs low energy photons
Proctective apparel is often made of lead because it - ✔✔ correct answer Has a high atomic number
The negative end of the x-ray tube is the - ✔✔ correct answer Cathode
Which of the following factors affect beam quantity - ✔✔ correct answer All of these
kVp
Distance
Filtration
Soultions, x-ray tube leaking radiation can be no more than - ✔✔ correct answer 100 mR per hour at
a distance one meter
Material like bone is considered - ✔✔ correct answer Radiopaque
The majority of the x-ray photons produced are - ✔✔ correct answer Brems photons
Increase in the image size of an object compared with its true or actual size is called - ✔✔ correct
answer Size distortion
After a photoelectric interaction, the incident photon - ✔✔ correct answer loses all of its energy and
no longer exists
, LRA 211 Final exam
X-ray are produced - ✔✔ correct answer Using fast moving electrons
Secondary x-ray photons are the result of - ✔✔ correct answer Compton and photoelectric
interactions
Most classical scatter photons - ✔✔ correct answer are absorbed in the body
Compton scattering results in - ✔✔ correct answer All of these
a Compton electron
A secondary electron
A Compton scatter photon
The protective tube housing helps to - ✔✔ correct answer All of these
keep the tube cool
prevent electrical shocks to the radiographer
limit leakage radiation
Half value layer (HVL) is used to measure - ✔✔ correct answer beam quality
The overall quality of the radiographic images is determined by - ✔✔ correct answer All of these
Sharpness
Visibility of anatomic structures
Accuracy of structural lines
In reference to patient radiation does coherent scatter interactions - ✔✔ correct answer Slightly
increase dose
The process of a series of outer shell electrons filling inner shell vacancies right after the other is
called - ✔✔ correct answer Characteristic cascade
The positive end of the x-ray tube is - ✔✔ correct answer Anode
The amount of light emitted from the display monitor is - ✔✔ correct answer Brightness
The cathode includes the - ✔✔ correct answer Filaments and focusing cup
The earliest atomic theory based on as arrangement similar to the solar system is attributed to - ✔✔
correct answer Rutherford
The portion of the induction motor that is outside the tube enclosure is the - ✔✔ correct answer
Stator
Filtration placed in the path of the x-ray beam - ✔✔ correct answer absorbs low energy photons
Proctective apparel is often made of lead because it - ✔✔ correct answer Has a high atomic number
The negative end of the x-ray tube is the - ✔✔ correct answer Cathode
Which of the following factors affect beam quantity - ✔✔ correct answer All of these
kVp
Distance
Filtration
Soultions, x-ray tube leaking radiation can be no more than - ✔✔ correct answer 100 mR per hour at
a distance one meter
Material like bone is considered - ✔✔ correct answer Radiopaque
The majority of the x-ray photons produced are - ✔✔ correct answer Brems photons
Increase in the image size of an object compared with its true or actual size is called - ✔✔ correct
answer Size distortion
After a photoelectric interaction, the incident photon - ✔✔ correct answer loses all of its energy and
no longer exists
, LRA 211 Final exam
X-ray are produced - ✔✔ correct answer Using fast moving electrons
Secondary x-ray photons are the result of - ✔✔ correct answer Compton and photoelectric
interactions
Most classical scatter photons - ✔✔ correct answer are absorbed in the body
Compton scattering results in - ✔✔ correct answer All of these
a Compton electron
A secondary electron
A Compton scatter photon
The protective tube housing helps to - ✔✔ correct answer All of these
keep the tube cool
prevent electrical shocks to the radiographer
limit leakage radiation
Half value layer (HVL) is used to measure - ✔✔ correct answer beam quality
The overall quality of the radiographic images is determined by - ✔✔ correct answer All of these
Sharpness
Visibility of anatomic structures
Accuracy of structural lines
In reference to patient radiation does coherent scatter interactions - ✔✔ correct answer Slightly
increase dose
The process of a series of outer shell electrons filling inner shell vacancies right after the other is
called - ✔✔ correct answer Characteristic cascade
The positive end of the x-ray tube is - ✔✔ correct answer Anode
