Basic X-Ray Machine operator Exam | Verified Exam Questions and
Answers | Latest Updated Study Material 2026
Question:
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
Question:
The oldest and largest radiologic science professional organization is the:
Answer:
American Society of Radiologic Technologists (ASRT)
Question:
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)
Question:
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is
called:
Answer:
Remnat radiation
Question:
The term used to describe radiation that is absorbed by matter is:
Answer:
Attenuation
,Question:
The "unseen" image that is contained in the image receptor (IR) before it is processed is called
the:
Answer:
Latent image
Question:
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
Question:
The radiation that exits the x-ray tube and travels in-air to the patient is called:
Answer:
Primary
Question:
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
Question:
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
Question:
An exposure time of 0.02 seconds is equal to how many milliseconds?
Answer:
20 msec
,Question:
The number 9 squared is equal to:
Answer:
81
Question:
The number 4 is the square root of:
Answer:
16
Question:
When 62 kVp is increased by 30%, the result is approximately:
Answer:
81
Question:
When the fraction 7/8 is converted to a decimal, the result is:
Answer:
0.875
Question:
When 230% is expressed as a decimal, the result is:
Answer:
2.3
Question:
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
48-inches SID. The value of the mAs for this exposure is
Answer:
50
mAs
Question:
X- rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of:
, Answer:
186,000 miles per second
Question:
The smallest possible unit of electromagnetic energy is the:
Answer:
Photon
Question:
The electrical current flowing in an x-ray tube is measured in:
Answer:
Milliamperes
Question:
The force or strength of the electron flow in an electrical current is measured in:
Answer:
Kilovoltage
Question:
The device used to produce the high voltage needed for x-ray production is called the:
Answer:
Transformer
Question:
In radiology, 80,000 volts is converted to:
Answer:
80 kVp
Question:
The target and the filament in the x-ray tube are made of:
Answer:
Tungsten
Answers | Latest Updated Study Material 2026
Question:
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
Question:
The oldest and largest radiologic science professional organization is the:
Answer:
American Society of Radiologic Technologists (ASRT)
Question:
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)
Question:
The radiation that exits the opposite side of the patient to expose the image receptor (IR) is
called:
Answer:
Remnat radiation
Question:
The term used to describe radiation that is absorbed by matter is:
Answer:
Attenuation
,Question:
The "unseen" image that is contained in the image receptor (IR) before it is processed is called
the:
Answer:
Latent image
Question:
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
Question:
The radiation that exits the x-ray tube and travels in-air to the patient is called:
Answer:
Primary
Question:
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
Question:
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
Question:
An exposure time of 0.02 seconds is equal to how many milliseconds?
Answer:
20 msec
,Question:
The number 9 squared is equal to:
Answer:
81
Question:
The number 4 is the square root of:
Answer:
16
Question:
When 62 kVp is increased by 30%, the result is approximately:
Answer:
81
Question:
When the fraction 7/8 is converted to a decimal, the result is:
Answer:
0.875
Question:
When 230% is expressed as a decimal, the result is:
Answer:
2.3
Question:
A radiographic image is made using 500 mA, 0.1 sec., 80 kVp, and
48-inches SID. The value of the mAs for this exposure is
Answer:
50
mAs
Question:
X- rays have electromagnetic energy. The velocity (or speed) of this energy travels at a speed of:
, Answer:
186,000 miles per second
Question:
The smallest possible unit of electromagnetic energy is the:
Answer:
Photon
Question:
The electrical current flowing in an x-ray tube is measured in:
Answer:
Milliamperes
Question:
The force or strength of the electron flow in an electrical current is measured in:
Answer:
Kilovoltage
Question:
The device used to produce the high voltage needed for x-ray production is called the:
Answer:
Transformer
Question:
In radiology, 80,000 volts is converted to:
Answer:
80 kVp
Question:
The target and the filament in the x-ray tube are made of:
Answer:
Tungsten
