GXMO (General X-Ray Machine Operator)
Certification Exam Prep | 2026/2027 Study
Guide
X-rays were discovered by... - correct answer-Roentgen in 1895 in Germany
The Joint Review Committee on Education in Radiologic Technology (JRCERT) is
the... - correct answer-organization that accredits schools for radiologic
technologists
The largest professional organization for radiologic technologists is the... - correct
answer-ASRT
The x-ray room has an area that protects the limited operator from scatter
radiation and is called... - correct answer-the control booth
Mechanism on the x-ray tube that provides a stop in a specific location - correct
answer-detent
The image that has been exposed on the IR but has not yet been processed is
called - correct answer-latent image
, The absorption of x-rays by matter is called - correct answer-attenuation
The IR system consists of.. - correct answer-cassette and phosphor plate
A type of filmless system that produces digital images is called - correct answer-
computed radiography (CR)
The source of x-rays is - correct answer-x-ray tube
Unwanted image exposure that is caused by scatter x-rays - correct answer-
radiation fog
Surrounds the x-ray tube and is lined with lead - correct answer-tube housing
Opening where the x-rays exit the tube - correct answer-tube port
X-rays exit the tube port via - correct answer-the tube window
What is the name of the radiation that exits the patient? - correct answer-
remnant radiation
The x-ray beam that leaves the tube is called - correct answer-primary radiation
Primary x-ray beams that leave the body and travel in all directions is called -
correct answer-scatter radiation
Certification Exam Prep | 2026/2027 Study
Guide
X-rays were discovered by... - correct answer-Roentgen in 1895 in Germany
The Joint Review Committee on Education in Radiologic Technology (JRCERT) is
the... - correct answer-organization that accredits schools for radiologic
technologists
The largest professional organization for radiologic technologists is the... - correct
answer-ASRT
The x-ray room has an area that protects the limited operator from scatter
radiation and is called... - correct answer-the control booth
Mechanism on the x-ray tube that provides a stop in a specific location - correct
answer-detent
The image that has been exposed on the IR but has not yet been processed is
called - correct answer-latent image
, The absorption of x-rays by matter is called - correct answer-attenuation
The IR system consists of.. - correct answer-cassette and phosphor plate
A type of filmless system that produces digital images is called - correct answer-
computed radiography (CR)
The source of x-rays is - correct answer-x-ray tube
Unwanted image exposure that is caused by scatter x-rays - correct answer-
radiation fog
Surrounds the x-ray tube and is lined with lead - correct answer-tube housing
Opening where the x-rays exit the tube - correct answer-tube port
X-rays exit the tube port via - correct answer-the tube window
What is the name of the radiation that exits the patient? - correct answer-
remnant radiation
The x-ray beam that leaves the tube is called - correct answer-primary radiation
Primary x-ray beams that leave the body and travel in all directions is called -
correct answer-scatter radiation
