LMRT ARRT EXAM 2025 Update |Actual Exam Set Questions And Verified
Answers (Correct solutions) | Get It 100% Accurate!!
Roentgen discovered x-rays while work-
Crookes
ing with a _____ tube?
An "electron cloud" surrounding the fila-
Space charge
ment of the cathode is referred to as a
Free electrons of X-ray production come
Filament
from the
The creation of the space charge in the
thermionic emission
X-ray tube produces:
The majority of photons in the X-ray
Bremsstrahlung interactions
beam are created by which process?
More than 99% of the energy of the elec-
heat
tron stream is converted into:
the high-speed rotation (10,000 rpm) of Greater dissipation of heat from high
the anode enables technical factors
The degree of angulation of the x-ray
size of the actual and effective focal spot
tube target will determine the:
A dual-focus X-ray tube has:
1: Two filaments 1 and 2
2: Two focal spot sizes
3: Two anodes
The anode heel effect is a phenomenon Uneven distribution of radiation within
of X-ray production that results in: the x-ray field
The penetrating power of the X-ray beam
Peak kilovoltage (kVp)
is controlled by varying the
The rate flow of current flow across the
mA
X-ray tube is measured in
Doubling the mA will result in
1: increased patient dose
1, 2, and 3
2: twice as many photons in the X-ray
beam
3: increased radiographic density
, LMRT ARRT EXAM 2025 Update |Actual Exam Set Questions And Verified
Answers (Correct solutions) | Get It 100% Accurate!!
The unit used to indicate the total quan-
Millionsampere-seconds (mAs)
tity of X-ray expose is
The device for removing long-wave-
length radiation from the primary X-ray Filter
beam is the
X-ray equipment capable of producing
70 kVp or more is required to have total 2.5 mm Al equiv
filtration of at least:
The purpose of rotating the anode of the
Increase the heat capacity of the anode
X-ray tube is to
Image sharpness is determined by the Size of the effective focal spot
Above 70 kVp, what percentage of pho-
tons is created by the bremsstrahlung 85%
process?
The amount detail seen in the X-ray im-
spatial resolution
age is referred to as
Of what material is the filament made? Tungsten
Of what material is the target/anode
Tungsten
made?
What is added to port to remove the
aluminum filtration
long-wavelength radiation?
What is the term used to describe the
heating of a element to a hot temperature
Thermionic emission
and the expanding of the electrons in a
atom?
The cathode side of the X-ray tube is Negative
The anode side of the X-ray tube is Positive
What are the two rotation speeds for the
3,600 rpm and 10,000 rpm
anode?
What type of radiation production makes
up the greatest portion of the X-ray Brehmsstrahlung
beam- bremsstrahlung or characteristic?
Answers (Correct solutions) | Get It 100% Accurate!!
Roentgen discovered x-rays while work-
Crookes
ing with a _____ tube?
An "electron cloud" surrounding the fila-
Space charge
ment of the cathode is referred to as a
Free electrons of X-ray production come
Filament
from the
The creation of the space charge in the
thermionic emission
X-ray tube produces:
The majority of photons in the X-ray
Bremsstrahlung interactions
beam are created by which process?
More than 99% of the energy of the elec-
heat
tron stream is converted into:
the high-speed rotation (10,000 rpm) of Greater dissipation of heat from high
the anode enables technical factors
The degree of angulation of the x-ray
size of the actual and effective focal spot
tube target will determine the:
A dual-focus X-ray tube has:
1: Two filaments 1 and 2
2: Two focal spot sizes
3: Two anodes
The anode heel effect is a phenomenon Uneven distribution of radiation within
of X-ray production that results in: the x-ray field
The penetrating power of the X-ray beam
Peak kilovoltage (kVp)
is controlled by varying the
The rate flow of current flow across the
mA
X-ray tube is measured in
Doubling the mA will result in
1: increased patient dose
1, 2, and 3
2: twice as many photons in the X-ray
beam
3: increased radiographic density
, LMRT ARRT EXAM 2025 Update |Actual Exam Set Questions And Verified
Answers (Correct solutions) | Get It 100% Accurate!!
The unit used to indicate the total quan-
Millionsampere-seconds (mAs)
tity of X-ray expose is
The device for removing long-wave-
length radiation from the primary X-ray Filter
beam is the
X-ray equipment capable of producing
70 kVp or more is required to have total 2.5 mm Al equiv
filtration of at least:
The purpose of rotating the anode of the
Increase the heat capacity of the anode
X-ray tube is to
Image sharpness is determined by the Size of the effective focal spot
Above 70 kVp, what percentage of pho-
tons is created by the bremsstrahlung 85%
process?
The amount detail seen in the X-ray im-
spatial resolution
age is referred to as
Of what material is the filament made? Tungsten
Of what material is the target/anode
Tungsten
made?
What is added to port to remove the
aluminum filtration
long-wavelength radiation?
What is the term used to describe the
heating of a element to a hot temperature
Thermionic emission
and the expanding of the electrons in a
atom?
The cathode side of the X-ray tube is Negative
The anode side of the X-ray tube is Positive
What are the two rotation speeds for the
3,600 rpm and 10,000 rpm
anode?
What type of radiation production makes
up the greatest portion of the X-ray Brehmsstrahlung
beam- bremsstrahlung or characteristic?
