Podcast
Questions and Answers
Which technique helps reduce patient exposure in radiography?
Which technique helps reduce patient exposure in radiography?
- Increasing the focal spot-to-image receptor distance
- Using a lower X-ray tube voltage
- Taking multiple images of the same region
- Using an anti-scatter grid or air gap (correct)
What is the purpose of taking a preliminary image before a series of images?
What is the purpose of taking a preliminary image before a series of images?
- To test the anti-scatter grid
- To adjust the X-ray tube voltage
- To confirm the correctness of settings and avoid retakes (correct)
- To check the X-ray equipment's functioning
What is the purpose of an AEC device in radiography?
What is the purpose of an AEC device in radiography?
- To increase the X-ray tube voltage
- To adjust the focal spot-to-image receptor distance
- To reduce irradiations and repeat irradiations to a minimum (correct)
- To improve image resolution
When should the use of automatic exposure control be limited?
When should the use of automatic exposure control be limited?
What is the purpose of the operator evaluating the resulting images?
What is the purpose of the operator evaluating the resulting images?
What is the benefit of using the highest X-ray tube voltage that produces good quality images?
What is the benefit of using the highest X-ray tube voltage that produces good quality images?
What could be a possible cause of ROI underexposure in AEC related to ionization chambers?
What could be a possible cause of ROI underexposure in AEC related to ionization chambers?
What could mitigate ROI underexposure when the ionization chamber is beneath a structure with higher tissue density in AEC?
What could mitigate ROI underexposure when the ionization chamber is beneath a structure with higher tissue density in AEC?
What is the main contributor to ROI overexposure related to AEC?
What is the main contributor to ROI overexposure related to AEC?
In the context of AEC, how can one address premature exposure cut-off resulting from excessive scatter radiation reaching the ionization chambers?
In the context of AEC, how can one address premature exposure cut-off resulting from excessive scatter radiation reaching the ionization chambers?
What could lead to ROI underexposure in AEC when imaging a small anatomical area?
What could lead to ROI underexposure in AEC when imaging a small anatomical area?
What is the primary way to ensure proper termination of radiographic exposure in AEC systems?
What is the primary way to ensure proper termination of radiographic exposure in AEC systems?
What type of crystal is commonly used in solid state radiation detectors?
What type of crystal is commonly used in solid state radiation detectors?
What is a primary advantage of using solid state radiation detectors over gas detectors?
What is a primary advantage of using solid state radiation detectors over gas detectors?
Which component in radiographic units displays the actual amount of mAs used for an image?
Which component in radiographic units displays the actual amount of mAs used for an image?
How does knowledge of the mAs readout benefit a medical imaging technologist (MIT)?
How does knowledge of the mAs readout benefit a medical imaging technologist (MIT)?
In what position may Automatic Exposure Control (AEC) and manual technique be combined due to centering difficulties?
In what position may Automatic Exposure Control (AEC) and manual technique be combined due to centering difficulties?
Why are solid state radiation detectors preferred over photocells in radiography?
Why are solid state radiation detectors preferred over photocells in radiography?
Flashcards are hidden until you start studying
