LMRT STATE REVIEW COMPREHENSIVE SCRIPT
2026 FULL QUESTIONS CORRECT ANSWERS
◉ At what kVp levels do Compton interactions occur?
A.) They do not occur with with x-ray exposure
B.) They occur below the diagnostic radiology kVp range
C.) They occur above the diagnostic radiology kVp range
D.) They occur throughout the diagnostic radiology kvp range.
Answer: They occur throughout the diagnostic radiology kvp range.
◉ What is the principal source of scatter radiation in radiography?
A.) the tube housing
B.) The Patient
C.) The IR
D.) The Collimator Answer: The patient
◉ What are the four essential elements required for x-ray
production?
A.) A target, a vacuum, an electron source, and a high potential
difference
B.) A target, an electron source, an inert gas environment, and a high
potential difference
,C.) An electron source, a magnetic field, a resistance-free path, and a
target.
D.) An electron source, an electric field, a circuit and a target
Answer: A target, a vacuum, an electron source, and a high potential
difference
◉ The greatest portion of the x-ray beam is made up of :
A.) Characteristic radiation
B.) Bremsstrahlung radiation
C.) electrons
D.) heat Answer: Bremsstrahlung radiation
◉ The penetrating power of the x-ray beam is controlled by varying
the:
A.) anode angle
B.) anode speed
C.) milliamperage (mA)
D.) Kilovoltage (kVp) Answer: Kilovoltage (kVp)
◉ Which of the following functions involve the autotransformer?
A.) kVp selection
B.) mA selection
C.) exposure time selection
,D.) Automated exposure control Answer: kVp selection
◉ What is the IR that is used for computed radiography?
A.) Direct-conversion flat panel detector
B.) Indirect-conversion flat panel detector
C.) Rare earth intensifying screen
D.) Photostimulable Phosphor (PSP) plate Answer: Photostimulable
Phosphor (PSP) plate
◉ Nearly all new x-ray machines manufactured today use
_________________ generators
A.) single-phase
B.) Three-phase, six-pulse
C.) Three-phase, 12-pulse
D.) High-frequency Answer: High-frequency
◉ The target of the x-ray tube is made of:
A.) tungsten
B.) glass
C.) Stainless steel
D.) Fluorescent phospors Answer: tungsten
, ◉ What is the standard control limit for the field light to radiation
field alignment test?
A.) exact alignment
B.) +/- 1% of SID
C.) +/- 2% of SID
D.) +/- 5% of SID Answer: +/- 2% of SID
◉ What is the standard control limit for the beam (Central ray)
alignment test?
A.) exact alignment
B.) within 1 degree of perpendicular
C.) within 2 degrees of perpendicular
D.) within 5 degrees of perpendicular Answer: within 1 degree of
perpendicular
◉ How often should lead aprons and gloves be checked for cracks or
holes?
A.) every 3 months
B.) every 6 months
C.) every 9 months
D.) every 12 months Answer: every 6 months
2026 FULL QUESTIONS CORRECT ANSWERS
◉ At what kVp levels do Compton interactions occur?
A.) They do not occur with with x-ray exposure
B.) They occur below the diagnostic radiology kVp range
C.) They occur above the diagnostic radiology kVp range
D.) They occur throughout the diagnostic radiology kvp range.
Answer: They occur throughout the diagnostic radiology kvp range.
◉ What is the principal source of scatter radiation in radiography?
A.) the tube housing
B.) The Patient
C.) The IR
D.) The Collimator Answer: The patient
◉ What are the four essential elements required for x-ray
production?
A.) A target, a vacuum, an electron source, and a high potential
difference
B.) A target, an electron source, an inert gas environment, and a high
potential difference
,C.) An electron source, a magnetic field, a resistance-free path, and a
target.
D.) An electron source, an electric field, a circuit and a target
Answer: A target, a vacuum, an electron source, and a high potential
difference
◉ The greatest portion of the x-ray beam is made up of :
A.) Characteristic radiation
B.) Bremsstrahlung radiation
C.) electrons
D.) heat Answer: Bremsstrahlung radiation
◉ The penetrating power of the x-ray beam is controlled by varying
the:
A.) anode angle
B.) anode speed
C.) milliamperage (mA)
D.) Kilovoltage (kVp) Answer: Kilovoltage (kVp)
◉ Which of the following functions involve the autotransformer?
A.) kVp selection
B.) mA selection
C.) exposure time selection
,D.) Automated exposure control Answer: kVp selection
◉ What is the IR that is used for computed radiography?
A.) Direct-conversion flat panel detector
B.) Indirect-conversion flat panel detector
C.) Rare earth intensifying screen
D.) Photostimulable Phosphor (PSP) plate Answer: Photostimulable
Phosphor (PSP) plate
◉ Nearly all new x-ray machines manufactured today use
_________________ generators
A.) single-phase
B.) Three-phase, six-pulse
C.) Three-phase, 12-pulse
D.) High-frequency Answer: High-frequency
◉ The target of the x-ray tube is made of:
A.) tungsten
B.) glass
C.) Stainless steel
D.) Fluorescent phospors Answer: tungsten
, ◉ What is the standard control limit for the field light to radiation
field alignment test?
A.) exact alignment
B.) +/- 1% of SID
C.) +/- 2% of SID
D.) +/- 5% of SID Answer: +/- 2% of SID
◉ What is the standard control limit for the beam (Central ray)
alignment test?
A.) exact alignment
B.) within 1 degree of perpendicular
C.) within 2 degrees of perpendicular
D.) within 5 degrees of perpendicular Answer: within 1 degree of
perpendicular
◉ How often should lead aprons and gloves be checked for cracks or
holes?
A.) every 3 months
B.) every 6 months
C.) every 9 months
D.) every 12 months Answer: every 6 months
