ARRT: Safety Exam Questions and Answers
Verified by Experts
Heterogeneous and Polyenergetic Correct Answ_X-rays are classified as being ______ and
______
In Straight lines Correct Answ_How do X-rays travel?
The speed of light Correct Answ_At what speed do X-rays travel?
outer shell electron Correct Answ_the compton effect takes place with a:
forward scattering Correct Answ_a compton interaction can be _______
1/1000 or .001 Correct Answ_everytime an xray photon gets scattered it will leave with how
much of its original intensity?
The Patient Correct Answ_where does the biggest source of scatter come from?
,Compton Correct Answ_what is the technologists largest source of exposure during fluoro?
2 Correct Answ_What is the maximum number of times an xray photon can be scattered
before it loses all energy?
90 degrees Correct Answ_at what angle from the patient will the tech receive the least
amount of scatter?
Compton effect Correct Answ_results in partial absorption of the incident x-ray photon.
photoelectric effect Correct Answ_Results in total absorption of the xray photon?
Inner shell Correct Answ_In a photoelectric interaction the incident x-ray photon with a
______ electron
it is transferred to the ejected electron Correct Answ_in a photoelectric interaction What
happens to the remaining energy of the incident photon?
,Photoelectron Correct Answ_The ejected electron from a Photoelectric interaction is called:
Photoelectric interaction Correct Answ_this interaction is the primary source of patient
radiation exposure
Classical, coherent or thompson Correct Answ_What ate the other names for unmodified
scatter?
3% Correct Answ_At 70 kVp, approximately___ of the xrays undergo classical scattering
D. Pair production and photodisintegration Correct Answ_all of the following are diagnostic
except:
a. Coherent
b.Photoelectric absorption
c.Compton
D. Pair production and photodisintegration
, Increases Correct Answ_As tissue thickness increase, attenuation_____
Increases Correct Answ_as tissue thickness increases, the probability of the PE an CS
________
decreases Correct Answ_as tissue thickness increases, xray transmission ________
Correct Answ_As the atomic number increases, attenuation
increases Correct Answ_As the atomic number increases, the Probability of photoelectric
_______
has no change Correct Answ_As the atomic number increases, the Probability of compton
_______
decreases Correct Answ_As the atomic number increases, xray transmission _______
Decreases Correct Answ_as photon energy increases, attenuation ______
Verified by Experts
Heterogeneous and Polyenergetic Correct Answ_X-rays are classified as being ______ and
______
In Straight lines Correct Answ_How do X-rays travel?
The speed of light Correct Answ_At what speed do X-rays travel?
outer shell electron Correct Answ_the compton effect takes place with a:
forward scattering Correct Answ_a compton interaction can be _______
1/1000 or .001 Correct Answ_everytime an xray photon gets scattered it will leave with how
much of its original intensity?
The Patient Correct Answ_where does the biggest source of scatter come from?
,Compton Correct Answ_what is the technologists largest source of exposure during fluoro?
2 Correct Answ_What is the maximum number of times an xray photon can be scattered
before it loses all energy?
90 degrees Correct Answ_at what angle from the patient will the tech receive the least
amount of scatter?
Compton effect Correct Answ_results in partial absorption of the incident x-ray photon.
photoelectric effect Correct Answ_Results in total absorption of the xray photon?
Inner shell Correct Answ_In a photoelectric interaction the incident x-ray photon with a
______ electron
it is transferred to the ejected electron Correct Answ_in a photoelectric interaction What
happens to the remaining energy of the incident photon?
,Photoelectron Correct Answ_The ejected electron from a Photoelectric interaction is called:
Photoelectric interaction Correct Answ_this interaction is the primary source of patient
radiation exposure
Classical, coherent or thompson Correct Answ_What ate the other names for unmodified
scatter?
3% Correct Answ_At 70 kVp, approximately___ of the xrays undergo classical scattering
D. Pair production and photodisintegration Correct Answ_all of the following are diagnostic
except:
a. Coherent
b.Photoelectric absorption
c.Compton
D. Pair production and photodisintegration
, Increases Correct Answ_As tissue thickness increase, attenuation_____
Increases Correct Answ_as tissue thickness increases, the probability of the PE an CS
________
decreases Correct Answ_as tissue thickness increases, xray transmission ________
Correct Answ_As the atomic number increases, attenuation
increases Correct Answ_As the atomic number increases, the Probability of photoelectric
_______
has no change Correct Answ_As the atomic number increases, the Probability of compton
_______
decreases Correct Answ_As the atomic number increases, xray transmission _______
Decreases Correct Answ_as photon energy increases, attenuation ______
