LMRT Exam Prep 2025/2026
How many half of-price layers (HVL) are required to decrease beam intensity from 100% to
twelve.5%?
Three
An publicity is made using four hundred milliamperes (mA) and eighty two kilovoltage top (kVp)
with an automatic publicity manipulate (AEC) device. If the AEC machine has a minimal
response time of 20 milliseconds and a again-up timer putting of fifty milliseconds, what is the
largest millampere-seconds (mAs) placing that may be used for the procedure?
20 mAs
Identify the shape that is represented by the letter (B):
Medial femoral condyle
Increasing the field-of-view could have what impact at the pixel length?
Increased pixel length
When the usage of computerized publicity control (AEC), which of the subsequent can be
employed to lessen patient movement at the same time as preserving proper picture receptor
publicity?
Increased milliamperage putting
Which of those kilovoltage peak (kVp) settings will produce x-ray photons with the shortest
wavelength?
One hundred twenty kVp
Which of the following positions will exhibit the duodenal bulb and c-loop?
Left posterior oblique (LPO)
As a radiographer, you should not promise sufferers effects that you cannot gain. This refers to
the ethical precept of:
Fidelity
,What is the yearly dose equal restrict for the lens of the eye for occupational employees?
150 millisieverts (mSv)
What is the suitable supply-to-image distance (SID) for an erect anteroposterior (AP) indirect
projection of the cervical spine to lessen magnification?
72 inches
Identify the structure that is represented through the letter (B):
Coracoid procedure
Which 3 of the following structures are located inside the left lung?
Lingula, Oblique fissure, Superior lobe
What effect will imagining an anatomic shape with an multiplied atomic number have at the
occurrence of the photoelectric impact?
Increased incidence of the photoelectric impact
Identify the shape that is represented with the aid of the letter (B):
Inferior vertebral notch of L5
At what point is someone at risk of irreversible mind damage in the event that they develop
cerebral hypoxia?
4-6 min
If a radiographer produced an photograph the use of an x-ray exposure that is below the
dynamic range, the resulting photo is predicted to display:
Quantum mottle
Identify the shape that is represented by means of the letter (A):
Medial supracondylar ridge
Which of the following is used to exchange the grayscale values inside the recorded photograph
to a new range of values in the recorded image to a new variety of values so that it will improve
the displayed image?
, Look-up desk (LUT)
Which publicity method device uses the rule to double of halve milliampere seconds (mAs) for
each 5 centimeters of situation thickness?
Fixed kilovoltage peak (kVp) system
During Compton interactions, the incident x-ray photon interacts with what portion of an atom?
Outer-shell electron
Radiation dose discount that may be a end result of using protecting shielding is based totally
on which two of the following?
Material of the defend and the thickness of the protect
Who is required to put on a employees dosimeter?
Anyone who can be uncovered to an annual occupational dose of five millisieverts
Identify the shape that is represented through the letter (B):
Hilar vicinity
Identify the structure this is represented by using the letter (A):
Orbital roof
When the usage of an automated exposure control (AEC), which of the following modifications
will bring about extended image receptor exposure?
Increase inside the exposure adjustment (density manipulate)
The quantity of radiation damage to the exposed character depends on which of the
subsequent? (Select all that observe)
A) The type of radiation
B) The length of the place being exposed
C) The absorbed dose
D) Oxygen enhancement ratio
All of the above
The fill thing of the direct radiography (DR) photograph receptor is the:
How many half of-price layers (HVL) are required to decrease beam intensity from 100% to
twelve.5%?
Three
An publicity is made using four hundred milliamperes (mA) and eighty two kilovoltage top (kVp)
with an automatic publicity manipulate (AEC) device. If the AEC machine has a minimal
response time of 20 milliseconds and a again-up timer putting of fifty milliseconds, what is the
largest millampere-seconds (mAs) placing that may be used for the procedure?
20 mAs
Identify the shape that is represented by the letter (B):
Medial femoral condyle
Increasing the field-of-view could have what impact at the pixel length?
Increased pixel length
When the usage of computerized publicity control (AEC), which of the subsequent can be
employed to lessen patient movement at the same time as preserving proper picture receptor
publicity?
Increased milliamperage putting
Which of those kilovoltage peak (kVp) settings will produce x-ray photons with the shortest
wavelength?
One hundred twenty kVp
Which of the following positions will exhibit the duodenal bulb and c-loop?
Left posterior oblique (LPO)
As a radiographer, you should not promise sufferers effects that you cannot gain. This refers to
the ethical precept of:
Fidelity
,What is the yearly dose equal restrict for the lens of the eye for occupational employees?
150 millisieverts (mSv)
What is the suitable supply-to-image distance (SID) for an erect anteroposterior (AP) indirect
projection of the cervical spine to lessen magnification?
72 inches
Identify the structure that is represented through the letter (B):
Coracoid procedure
Which 3 of the following structures are located inside the left lung?
Lingula, Oblique fissure, Superior lobe
What effect will imagining an anatomic shape with an multiplied atomic number have at the
occurrence of the photoelectric impact?
Increased incidence of the photoelectric impact
Identify the shape that is represented with the aid of the letter (B):
Inferior vertebral notch of L5
At what point is someone at risk of irreversible mind damage in the event that they develop
cerebral hypoxia?
4-6 min
If a radiographer produced an photograph the use of an x-ray exposure that is below the
dynamic range, the resulting photo is predicted to display:
Quantum mottle
Identify the shape that is represented by means of the letter (A):
Medial supracondylar ridge
Which of the following is used to exchange the grayscale values inside the recorded photograph
to a new range of values in the recorded image to a new variety of values so that it will improve
the displayed image?
, Look-up desk (LUT)
Which publicity method device uses the rule to double of halve milliampere seconds (mAs) for
each 5 centimeters of situation thickness?
Fixed kilovoltage peak (kVp) system
During Compton interactions, the incident x-ray photon interacts with what portion of an atom?
Outer-shell electron
Radiation dose discount that may be a end result of using protecting shielding is based totally
on which two of the following?
Material of the defend and the thickness of the protect
Who is required to put on a employees dosimeter?
Anyone who can be uncovered to an annual occupational dose of five millisieverts
Identify the shape that is represented through the letter (B):
Hilar vicinity
Identify the structure this is represented by using the letter (A):
Orbital roof
When the usage of an automated exposure control (AEC), which of the following modifications
will bring about extended image receptor exposure?
Increase inside the exposure adjustment (density manipulate)
The quantity of radiation damage to the exposed character depends on which of the
subsequent? (Select all that observe)
A) The type of radiation
B) The length of the place being exposed
C) The absorbed dose
D) Oxygen enhancement ratio
All of the above
The fill thing of the direct radiography (DR) photograph receptor is the:
