BXMO - BASIC X-RAY MACHINE OPERATOR | 276 QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
Basic X-Ray Machine operator BXMO EXAM - (answer)BXMO - BASIC X-RAY MACHINE OPERATOR EXAM
COVERAGE
The BXMO (Basic X-Ray Machine Operator) exam evaluates a candidate's foundational knowledge of
radiographic imaging principles, radiation safety, and basic X-ray equipment operation. The exam
coverage includes radiation physics fundamentals, X-ray production, and image formation principles, as
well as proper machine operation and exposure technique selection. It also assesses understanding of
radiation protection concepts such as time, distance, and shielding, ALARA principles, and patient and
operator safety procedures. Additional areas include positioning basics, image quality factors, anatomy
recognition for common radiographic exams, infection control, and patient care techniques. The exam
further covers regulatory compliance, equipment maintenance, and safe handling of radiographic
equipment. Overall, the exam ensures candidates can safely operate basic X-ray machines while
producing diagnostic-quality images and maintaining radiation safety standards.
The oldest and largest radiologic science professional organization is the: - (answer)American Society of
Radiologic Technologists (ASRT)
The organization that sets standards and prepares examinations necessary to certify radiologic
technologists and limited operators is the: - (answer)American Registry of Radiologic Technologists
(ARRT)
Which of the following would be considered a characteristic of x-rays?
1. have no mass
2. are electrically neutral
3.travel in straight lines - (answer)1,2,3
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is called: -
(answer)Remnat radiation
The term used to describe radiation that is absorbed by matter is: - (answer)Attenuation
,BXMO - BASIC X-RAY MACHINE OPERATOR | 276 QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
The "unseen" image that is contained in the image receptor (IR) before it is processed is called the: -
(answer)Latent image
The radiation that exits the body in all directions and causes unwanted exposure on the image receptor
(IR) as well as anyone who is in the room is called __________ radiation. - (answer)Scattered
The radiation that exits the x-ray tube and travels in-air to the patient is called: - (answer)Primary
The boxlike device attached under the tube housing that allows the limited operator to vary the size of
the radiation field is called the: - (answer)Collimator
An invisible line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is
called the: - (answer)Central Ray
An exposure time of 0.02 seconds is equal to how many milliseconds? - (answer)20 msec
The number 9 squared is equal to: - (answer)81
The number 4 is the square root of: - (answer)16
When 62 kVp is increased by 30%, the result is approximately: - (answer)81
When the fraction 7/8 is converted to a decimal, the result is: - (answer)0.875
When 230% is expressed as a decimal, the result is: - (answer)2.3
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
, BXMO - BASIC X-RAY MACHINE OPERATOR | 276 QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
48-inches SID. The value of the mAs for this exposure is - (answer)50 mAs
X-rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of: -
(answer)186,000 miles per second
The smallest possible unit of electromagnetic energy is the: - (answer)Photon
The electrical current flowing in an x-ray tube is measured in: - (answer)Milliamperes
The force or strength of the electron flow in an electrical current is measured in: - (answer)Kilovoltage
The device used to produce the high voltage needed for x-ray production is called the: -
(answer)Transformer
In radiology, 80,000 volts is converted to: - (answer)80 kVp
The target and the filament in the x-ray tube are made of: - (answer)Tungsten
Electrons are made available in the filament of the x-ray tube by a process called: - (answer)Thermionic
emission
The anode in x-ray tubes rotates at a high rpm to: - (answer)Dissipate the heat
The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image - (answer)1 and 3
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
Basic X-Ray Machine operator BXMO EXAM - (answer)BXMO - BASIC X-RAY MACHINE OPERATOR EXAM
COVERAGE
The BXMO (Basic X-Ray Machine Operator) exam evaluates a candidate's foundational knowledge of
radiographic imaging principles, radiation safety, and basic X-ray equipment operation. The exam
coverage includes radiation physics fundamentals, X-ray production, and image formation principles, as
well as proper machine operation and exposure technique selection. It also assesses understanding of
radiation protection concepts such as time, distance, and shielding, ALARA principles, and patient and
operator safety procedures. Additional areas include positioning basics, image quality factors, anatomy
recognition for common radiographic exams, infection control, and patient care techniques. The exam
further covers regulatory compliance, equipment maintenance, and safe handling of radiographic
equipment. Overall, the exam ensures candidates can safely operate basic X-ray machines while
producing diagnostic-quality images and maintaining radiation safety standards.
The oldest and largest radiologic science professional organization is the: - (answer)American Society of
Radiologic Technologists (ASRT)
The organization that sets standards and prepares examinations necessary to certify radiologic
technologists and limited operators is the: - (answer)American Registry of Radiologic Technologists
(ARRT)
Which of the following would be considered a characteristic of x-rays?
1. have no mass
2. are electrically neutral
3.travel in straight lines - (answer)1,2,3
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is called: -
(answer)Remnat radiation
The term used to describe radiation that is absorbed by matter is: - (answer)Attenuation
,BXMO - BASIC X-RAY MACHINE OPERATOR | 276 QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
The "unseen" image that is contained in the image receptor (IR) before it is processed is called the: -
(answer)Latent image
The radiation that exits the body in all directions and causes unwanted exposure on the image receptor
(IR) as well as anyone who is in the room is called __________ radiation. - (answer)Scattered
The radiation that exits the x-ray tube and travels in-air to the patient is called: - (answer)Primary
The boxlike device attached under the tube housing that allows the limited operator to vary the size of
the radiation field is called the: - (answer)Collimator
An invisible line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is
called the: - (answer)Central Ray
An exposure time of 0.02 seconds is equal to how many milliseconds? - (answer)20 msec
The number 9 squared is equal to: - (answer)81
The number 4 is the square root of: - (answer)16
When 62 kVp is increased by 30%, the result is approximately: - (answer)81
When the fraction 7/8 is converted to a decimal, the result is: - (answer)0.875
When 230% is expressed as a decimal, the result is: - (answer)2.3
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
, BXMO - BASIC X-RAY MACHINE OPERATOR | 276 QUESTIONS AND
ANSWERS | 2026 UPDATE | WITH COMPLETE SOLUTIONS.
48-inches SID. The value of the mAs for this exposure is - (answer)50 mAs
X-rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of: -
(answer)186,000 miles per second
The smallest possible unit of electromagnetic energy is the: - (answer)Photon
The electrical current flowing in an x-ray tube is measured in: - (answer)Milliamperes
The force or strength of the electron flow in an electrical current is measured in: - (answer)Kilovoltage
The device used to produce the high voltage needed for x-ray production is called the: -
(answer)Transformer
In radiology, 80,000 volts is converted to: - (answer)80 kVp
The target and the filament in the x-ray tube are made of: - (answer)Tungsten
Electrons are made available in the filament of the x-ray tube by a process called: - (answer)Thermionic
emission
The anode in x-ray tubes rotates at a high rpm to: - (answer)Dissipate the heat
The target in the x-ray tube is angled to affect the:
1. heat capacity
2. number of photons
3. sharpness of the image - (answer)1 and 3