LRA 211 Final exam questions with all
correct answers 2025-2026 latest
update!!
The amount of light emitted from the display monitor is CORRECT ANSWERS
Brightness
The cathode includes the CORRECT ANSWERS Filaments and focusing cup
The earliest atomic theory based on as arrangement similar to the solar system is
attributed to CORRECT ANSWERS Rutherford
The portion of the induction motor that is outside the tube enclosure is the CORRECT
ANSWERS Stator
Filtration placed in the path of the x-ray beam CORRECT ANSWERS absorbs low
energy photons
Proctective apparel is often made of lead because it CORRECT ANSWERS Has a high
atomic number
The negative end of the x-ray tube is the CORRECT ANSWERS Cathode
Which of the following factors affect beam quantity CORRECT ANSWERS All of these
kVp
Distance
Filtration
Soultions, x-ray tube leaking radiation can be no more than CORRECT ANSWERS 100
mR per hour at a distance one meter
Material like bone is considered CORRECT ANSWERS Radiopaque
The majority of the x-ray photons produced are CORRECT ANSWERS Brems photons
Increase in the image size of an object compared with its true or actual size is called
CORRECT ANSWERS Size distortion
After a photoelectric interaction, the incident photon CORRECT ANSWERS loses all of
its energy and no longer exists
X-ray are produced CORRECT ANSWERS Using fast moving electrons
, Secondary x-ray photons are the result of CORRECT ANSWERS Compton and
photoelectric interactions
Most classical scatter photons CORRECT ANSWERS are absorbed in the body
Compton scattering results in CORRECT ANSWERS All of these
a Compton electron
A secondary electron
A Compton scatter photon
The protective tube housing helps to CORRECT ANSWERS 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 ANSWERS beam quality
The overall quality of the radiographic images is determined by CORRECT ANSWERS
All of these
Sharpness
Visibility of anatomic structures
Accuracy of structural lines
In reference to patient radiation does coherent scatter interactions CORRECT
ANSWERS Slightly increase dose
The process of a series of outer shell electrons filling inner shell vacancies right after
the other is called CORRECT ANSWERS Characteristic cascade
The positive end of the x-ray tube is CORRECT ANSWERS Anode
Transmission refers to CORRECT ANSWERS x-rays leaving the patient that did not
interact with atoms
The electron shell closest to the nucleus is lettered CORRECT ANSWERS K
Reduction in the energy or amount of radiation in the primary beam is attenuation
CORRECT ANSWERS True
Who evaluates the overall brightness on the image to determine if it is sufficient to
visualize the anatomic area of interest? CORRECT ANSWERS Radiographer
The three fundamental particles of the atom are the CORRECT ANSWERS Neutron,
electron and proton
Bremsstrahlung means CORRECT ANSWERS Breaking radiation
correct answers 2025-2026 latest
update!!
The amount of light emitted from the display monitor is CORRECT ANSWERS
Brightness
The cathode includes the CORRECT ANSWERS Filaments and focusing cup
The earliest atomic theory based on as arrangement similar to the solar system is
attributed to CORRECT ANSWERS Rutherford
The portion of the induction motor that is outside the tube enclosure is the CORRECT
ANSWERS Stator
Filtration placed in the path of the x-ray beam CORRECT ANSWERS absorbs low
energy photons
Proctective apparel is often made of lead because it CORRECT ANSWERS Has a high
atomic number
The negative end of the x-ray tube is the CORRECT ANSWERS Cathode
Which of the following factors affect beam quantity CORRECT ANSWERS All of these
kVp
Distance
Filtration
Soultions, x-ray tube leaking radiation can be no more than CORRECT ANSWERS 100
mR per hour at a distance one meter
Material like bone is considered CORRECT ANSWERS Radiopaque
The majority of the x-ray photons produced are CORRECT ANSWERS Brems photons
Increase in the image size of an object compared with its true or actual size is called
CORRECT ANSWERS Size distortion
After a photoelectric interaction, the incident photon CORRECT ANSWERS loses all of
its energy and no longer exists
X-ray are produced CORRECT ANSWERS Using fast moving electrons
, Secondary x-ray photons are the result of CORRECT ANSWERS Compton and
photoelectric interactions
Most classical scatter photons CORRECT ANSWERS are absorbed in the body
Compton scattering results in CORRECT ANSWERS All of these
a Compton electron
A secondary electron
A Compton scatter photon
The protective tube housing helps to CORRECT ANSWERS 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 ANSWERS beam quality
The overall quality of the radiographic images is determined by CORRECT ANSWERS
All of these
Sharpness
Visibility of anatomic structures
Accuracy of structural lines
In reference to patient radiation does coherent scatter interactions CORRECT
ANSWERS Slightly increase dose
The process of a series of outer shell electrons filling inner shell vacancies right after
the other is called CORRECT ANSWERS Characteristic cascade
The positive end of the x-ray tube is CORRECT ANSWERS Anode
Transmission refers to CORRECT ANSWERS x-rays leaving the patient that did not
interact with atoms
The electron shell closest to the nucleus is lettered CORRECT ANSWERS K
Reduction in the energy or amount of radiation in the primary beam is attenuation
CORRECT ANSWERS True
Who evaluates the overall brightness on the image to determine if it is sufficient to
visualize the anatomic area of interest? CORRECT ANSWERS Radiographer
The three fundamental particles of the atom are the CORRECT ANSWERS Neutron,
electron and proton
Bremsstrahlung means CORRECT ANSWERS Breaking radiation
