1|Page
BASIC X-RAY MACHINE OPERATOR|
COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
One of the major advantages of using CR or DR systems is the: - correct-answer -
The ability to see images very fast
All of the digital images made in an x-ray department are stored in a system called
the: - correct-answer - PACS
When a CR plate is inserted into the reader for processing, the phosphor is
scanned with a: - correct-answer - Laser beam.
What is the size of the flat-panel detector inside the table of a DR system? -
correct-answer - 17 x 17 in.
,2|Page
The viewing monitor's active viewing area is called a: - correct-answer - Matrix
The amount of detail or sharpness in the digital image is termed: - correct-
answer - Spatial resolution
Which control on the viewing station control the density, or brightness, in the
radiographic image? - correct-answer - Window level
Which of the following tells the operator that the correct exposure has been
received by the phosphors in the imaging plate? - correct-answer - Exposure
indicator number
,3|Page
The negative effect of scatter radiation reaching the image receptor (IR) is: -
correct-answer - Fog
Which of the following will affect the amount of scatter radiation reaching the
image receptor (IR)? - correct-answer - 1, 2, and 3
Scatter radiation can be controlled by:
1. grids
2. reducing field size
3. reducing mAs - correct-answer - 1 and 2
The effectiveness of a radiographic grid is determined by the: - correct-answer -
Grid ratio
, 4|Page
A grid must be used when the body part becomes larger than: - correct-answer -
10-12 cm
Grid cut-off will occur when:
1. the grid is tilted
2. the kVp is to high
3. when the SID is out of focal range - correct-answer - 1 and 3
A scattered photon has ________ energy than the incoming primary beam
photon. - correct-answer - Less
What is the principal source of scatter radiation in radiography? - correct-answer
- Patient
1. Which of the following factors would you see on an exposure technique chart?
BASIC X-RAY MACHINE OPERATOR|
COMPREHENSIVE Q&A FOR
CERTIFICATION SUCCESS 2026
One of the major advantages of using CR or DR systems is the: - correct-answer -
The ability to see images very fast
All of the digital images made in an x-ray department are stored in a system called
the: - correct-answer - PACS
When a CR plate is inserted into the reader for processing, the phosphor is
scanned with a: - correct-answer - Laser beam.
What is the size of the flat-panel detector inside the table of a DR system? -
correct-answer - 17 x 17 in.
,2|Page
The viewing monitor's active viewing area is called a: - correct-answer - Matrix
The amount of detail or sharpness in the digital image is termed: - correct-
answer - Spatial resolution
Which control on the viewing station control the density, or brightness, in the
radiographic image? - correct-answer - Window level
Which of the following tells the operator that the correct exposure has been
received by the phosphors in the imaging plate? - correct-answer - Exposure
indicator number
,3|Page
The negative effect of scatter radiation reaching the image receptor (IR) is: -
correct-answer - Fog
Which of the following will affect the amount of scatter radiation reaching the
image receptor (IR)? - correct-answer - 1, 2, and 3
Scatter radiation can be controlled by:
1. grids
2. reducing field size
3. reducing mAs - correct-answer - 1 and 2
The effectiveness of a radiographic grid is determined by the: - correct-answer -
Grid ratio
, 4|Page
A grid must be used when the body part becomes larger than: - correct-answer -
10-12 cm
Grid cut-off will occur when:
1. the grid is tilted
2. the kVp is to high
3. when the SID is out of focal range - correct-answer - 1 and 3
A scattered photon has ________ energy than the incoming primary beam
photon. - correct-answer - Less
What is the principal source of scatter radiation in radiography? - correct-answer
- Patient
1. Which of the following factors would you see on an exposure technique chart?
