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Questions and Answers
What happens to the radiation quantity and optical density when the source-to-image receptor distance (SID) is increased?
What happens to the radiation quantity and optical density when the source-to-image receptor distance (SID) is increased?
- Increases
- Fluctuates
- Remains the same
- Decreases (correct)
Which of the following is NOT a consequence of increasing the source-to-image receptor distance (SID)?
Which of the following is NOT a consequence of increasing the source-to-image receptor distance (SID)?
- Less magnification
- Increased image receptor exposure (correct)
- Less focal spot blur
- Improved spatial resolution
What is the SI unit of charge mentioned in the text?
What is the SI unit of charge mentioned in the text?
- Watt
- Coulomb (correct)
- Joule
- Volt
When changing the focal spot size for a given kVp/mAs setting, what does not change?
When changing the focal spot size for a given kVp/mAs setting, what does not change?
What is the main purpose of a compensating filter?
What is the main purpose of a compensating filter?
Which type of filtration is used to absorb low-energy or soft x-rays?
Which type of filtration is used to absorb low-energy or soft x-rays?
What factor affects all x-ray beams and provides a 0.5 mm Al equivalent in general purpose x-ray tubes?
What factor affects all x-ray beams and provides a 0.5 mm Al equivalent in general purpose x-ray tubes?
Which type of filter is used for chest radiography?
Which type of filter is used for chest radiography?
Which type of focal spot size is used for imaging dense or thick body parts?
Which type of focal spot size is used for imaging dense or thick body parts?
What happens to the exposure time when using a small focal spot size?
What happens to the exposure time when using a small focal spot size?
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