Physics (Mock ARRT)
> Maintains exposure to the picture receptor plate while SID is changed =
> defines the impact on imaging plate publicity when kilovoltage us changed =
> defines the scale of a projected picture with regards to the SID and the SOD =
> Defines the intensity of radiation publicity at a given distance from the supply =
a) 15% rule
b) inverse square regulation
c) the square regulation
d) magnification system - ANS-> Maintains publicity to the photo receptor plate when SID is
modified = C
> defines the effect on imaging plate publicity whilst kilovoltage us changed = A
> defines the dimensions of a projected picture with regards to the SID and the SOD = D
> Defines the depth of radiation exposure at a given distance from the source = B
a four meter dice carries how plenty more quantity than a 2 meter cube: - ANS-8 instances
more
A specific DR detectors has dexel measuring a hundred microns in width. During publicity, if
the x-ray discipline is collimated to a smaller size than the DR detector plate, the inherent
sharpness for the DR detector will:
lower
growth
remain the identical - ANS-remain the same
A radiograph demonstrates a lack of publicity towards best one side of the photograph. The
maximum likely reason became a(n):
xray tube too some distance from grid
grid positioned crosswise
tilted receptor plate with grid
xray tube too near grid - ANS-tilted receptor plate with grid
,A substance which occupies a precise extent of area but does now not preserve a precise
shape could be a
fluid
resin
liquid
stable
gasoline - ANS-liquid
After histogram evaluation and rescaling are finished, the computer "is aware of" where to
insert these changed values inside the image because prior to these operations, a log was
kept recording every:
Pixel's contrast stage
Physical attenuation coefficient
Value's pixel be counted
Value's location within the spatial matrix - ANS-Value's location in the spatial matrix
After x-rays have been discovered, Antoine Henri Becquerel determined ____________
which passed off obviously:
x-rays
cathode rays
helium nuclei
3 kinds of radiation - ANS-three forms of radiation
An 80-kV photon undergoes a coherent scattering interaction with an orbital electron having
a binding power of 8 kV. What is the energy of the ensuing scattered photon:
eighty kV
seventy two kV
eight kV - ANS-80 kV
an example of a place operation would be:
darkening the photo overall
translating the picture left to proper
a windowing width adjustment
zoom (mag)
unsharp mask filtering - ANS-zoom
, about what number of centimeters is the same old distance of the x-ray tube above the table
used within the US: - ANS-one hundred cm
As area length is accelerated, which issue of the remnant beam sign reaching the IR simply
decreases:
noise
magnification
issue comparison
sharpness of element - ANS-difficulty contrast
as kvp is multiplied, the occurrence of compton interactions:
plummets dramatically
increases dramatically
will increase very slightly
decreases very slightly - ANS-decreases very slightly
at the display screen, as the light picture is magnified an increasing number of the matrix
length for the light image itself is:
decreasing
increasing
unchanged - ANS-reducing
Bone indicates up with excessive assessment on a radiograph in most cases because of its:
density
hardness
viscosity
atomic range
thickness - ANS-atomic range
Both Roentgen and Becquerel: - ANS-received Nobel prizes for physics
Condensation, the trade in state of remember from gas to liquid results in:
lower kinetic electricity
growth kinetic power
decrease in capability energy
boom in capability energy - ANS-decrease in potential power
> Maintains exposure to the picture receptor plate while SID is changed =
> defines the impact on imaging plate publicity when kilovoltage us changed =
> defines the scale of a projected picture with regards to the SID and the SOD =
> Defines the intensity of radiation publicity at a given distance from the supply =
a) 15% rule
b) inverse square regulation
c) the square regulation
d) magnification system - ANS-> Maintains publicity to the photo receptor plate when SID is
modified = C
> defines the effect on imaging plate publicity whilst kilovoltage us changed = A
> defines the dimensions of a projected picture with regards to the SID and the SOD = D
> Defines the depth of radiation exposure at a given distance from the source = B
a four meter dice carries how plenty more quantity than a 2 meter cube: - ANS-8 instances
more
A specific DR detectors has dexel measuring a hundred microns in width. During publicity, if
the x-ray discipline is collimated to a smaller size than the DR detector plate, the inherent
sharpness for the DR detector will:
lower
growth
remain the identical - ANS-remain the same
A radiograph demonstrates a lack of publicity towards best one side of the photograph. The
maximum likely reason became a(n):
xray tube too some distance from grid
grid positioned crosswise
tilted receptor plate with grid
xray tube too near grid - ANS-tilted receptor plate with grid
,A substance which occupies a precise extent of area but does now not preserve a precise
shape could be a
fluid
resin
liquid
stable
gasoline - ANS-liquid
After histogram evaluation and rescaling are finished, the computer "is aware of" where to
insert these changed values inside the image because prior to these operations, a log was
kept recording every:
Pixel's contrast stage
Physical attenuation coefficient
Value's pixel be counted
Value's location within the spatial matrix - ANS-Value's location in the spatial matrix
After x-rays have been discovered, Antoine Henri Becquerel determined ____________
which passed off obviously:
x-rays
cathode rays
helium nuclei
3 kinds of radiation - ANS-three forms of radiation
An 80-kV photon undergoes a coherent scattering interaction with an orbital electron having
a binding power of 8 kV. What is the energy of the ensuing scattered photon:
eighty kV
seventy two kV
eight kV - ANS-80 kV
an example of a place operation would be:
darkening the photo overall
translating the picture left to proper
a windowing width adjustment
zoom (mag)
unsharp mask filtering - ANS-zoom
, about what number of centimeters is the same old distance of the x-ray tube above the table
used within the US: - ANS-one hundred cm
As area length is accelerated, which issue of the remnant beam sign reaching the IR simply
decreases:
noise
magnification
issue comparison
sharpness of element - ANS-difficulty contrast
as kvp is multiplied, the occurrence of compton interactions:
plummets dramatically
increases dramatically
will increase very slightly
decreases very slightly - ANS-decreases very slightly
at the display screen, as the light picture is magnified an increasing number of the matrix
length for the light image itself is:
decreasing
increasing
unchanged - ANS-reducing
Bone indicates up with excessive assessment on a radiograph in most cases because of its:
density
hardness
viscosity
atomic range
thickness - ANS-atomic range
Both Roentgen and Becquerel: - ANS-received Nobel prizes for physics
Condensation, the trade in state of remember from gas to liquid results in:
lower kinetic electricity
growth kinetic power
decrease in capability energy
boom in capability energy - ANS-decrease in potential power
