RTBC Mock Test 3 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Dense anatomical area is underexposed. Which adjustment is most appropriate to improve image
quality without significantly increasing patient dose? - CORRECT ANSWER - Increase
kVp by 15% and decrease mAs by half
Which of the following are NOT used in direct capture digital radiography (DR) systems? -
CORRECT ANSWER - Plate readers
How does the orientation of the anode-cathode axis in the x-ray tube affect image sharpness
during extremity imaging? - CORRECT ANSWER - Orientation parallel to the limb
increases sharpness
What does a DAP meter primarily measure during radiographic procedures? - CORRECT
ANSWER - The radiation exposure in the area being imaged
In mobile radiography, how does the use of a grid impact image quality compared to non-grid
use? - CORRECT ANSWER - Increases image contrast by absorbing scatter radiation
How does a high-frequency generator differ from a standard generator in terms of radiation
output? - CORRECT ANSWER - it generates more consistent radiation
Which of the following is needed to move electrons through a circuit? - CORRECT
ANSWER - volts
Image appears overly smooth, lacking the expected detail and sharpness. What image processing
technique might have been over-applied? - CORRECT ANSWER - noise reduction
What is the result of using a higher bit depth? - CORRECT ANSWER - increased contrast
resolution
, Increasing which setting would most directly increase the image signal strength? - CORRECT
ANSWER - mAs
Image receptor designs used in DR? - CORRECT ANSWER - - Wired flat-panel detectors
- Wireless flat-panel detectors
What is the main purpose of conducting a signal-to-noise ratio (SNR) test in digital radiography?
- CORRECT ANSWER - to assess the clarity and sharpness of the image
Which two components are included in a digital imaging system that converts x-ray photons
directly into an electrical signal? - CORRECT ANSWER - - amorphous selenium (a-Se)
- thin-film transistor (TFT) array
Which AEC detectors should be activated for a right shoulder x-ray series? - CORRECT
ANSWER - select the center AEC detector to align with the right shoulder
Why is it crucial to implement a rigorous digital image archiving protocol? - CORRECT
ANSWER - to ensure images are available for comparative studies and legal requirements
A tech is calibrating a new radiographic imaging system. Which parameter should be prioritized
to ensure the highest quality of displayed images? - CORRECT ANSWER - the luminance
uniformity across the monitor
During the evaluation for a lateral lumbar spine radiograph, which factor is critical for
determining if the intervertebral disk spaces are properly aligned? - CORRECT
ANSWER - proper alignment of the x-ray beam
what is the objective of testing the reproducibility of kilovoltage (kV) across different exposures
in a radiography system? - CORRECT ANSWER - to ensure the system accurately
replicates the set kV
Exam Questions and CORRECT Answers
Dense anatomical area is underexposed. Which adjustment is most appropriate to improve image
quality without significantly increasing patient dose? - CORRECT ANSWER - Increase
kVp by 15% and decrease mAs by half
Which of the following are NOT used in direct capture digital radiography (DR) systems? -
CORRECT ANSWER - Plate readers
How does the orientation of the anode-cathode axis in the x-ray tube affect image sharpness
during extremity imaging? - CORRECT ANSWER - Orientation parallel to the limb
increases sharpness
What does a DAP meter primarily measure during radiographic procedures? - CORRECT
ANSWER - The radiation exposure in the area being imaged
In mobile radiography, how does the use of a grid impact image quality compared to non-grid
use? - CORRECT ANSWER - Increases image contrast by absorbing scatter radiation
How does a high-frequency generator differ from a standard generator in terms of radiation
output? - CORRECT ANSWER - it generates more consistent radiation
Which of the following is needed to move electrons through a circuit? - CORRECT
ANSWER - volts
Image appears overly smooth, lacking the expected detail and sharpness. What image processing
technique might have been over-applied? - CORRECT ANSWER - noise reduction
What is the result of using a higher bit depth? - CORRECT ANSWER - increased contrast
resolution
, Increasing which setting would most directly increase the image signal strength? - CORRECT
ANSWER - mAs
Image receptor designs used in DR? - CORRECT ANSWER - - Wired flat-panel detectors
- Wireless flat-panel detectors
What is the main purpose of conducting a signal-to-noise ratio (SNR) test in digital radiography?
- CORRECT ANSWER - to assess the clarity and sharpness of the image
Which two components are included in a digital imaging system that converts x-ray photons
directly into an electrical signal? - CORRECT ANSWER - - amorphous selenium (a-Se)
- thin-film transistor (TFT) array
Which AEC detectors should be activated for a right shoulder x-ray series? - CORRECT
ANSWER - select the center AEC detector to align with the right shoulder
Why is it crucial to implement a rigorous digital image archiving protocol? - CORRECT
ANSWER - to ensure images are available for comparative studies and legal requirements
A tech is calibrating a new radiographic imaging system. Which parameter should be prioritized
to ensure the highest quality of displayed images? - CORRECT ANSWER - the luminance
uniformity across the monitor
During the evaluation for a lateral lumbar spine radiograph, which factor is critical for
determining if the intervertebral disk spaces are properly aligned? - CORRECT
ANSWER - proper alignment of the x-ray beam
what is the objective of testing the reproducibility of kilovoltage (kV) across different exposures
in a radiography system? - CORRECT ANSWER - to ensure the system accurately
replicates the set kV
