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Questions and Answers
What is the primary method to achieve magnification imaging?
What is the primary method to achieve magnification imaging?
- Decreasing the OID
- Decreasing the FSD
- Increasing the OID (correct)
- Decreasing the FID
What happens to the magnification achieved as the patient thickness increases?
What happens to the magnification achieved as the patient thickness increases?
- It decreases
- It varies with depth in the patient (correct)
- It increases
- It remains constant
What is a limitation of using magnification imaging for large body regions?
What is a limitation of using magnification imaging for large body regions?
- Larger image receptor is required
- Cannot be used with digital systems
- It is not possible to use magnification imaging for large body regions (correct)
- Dose is always increased
What is a consequence of increasing the OID in magnification imaging?
What is a consequence of increasing the OID in magnification imaging?
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What is the effect of increasing the OID on image sharpness?
What is the effect of increasing the OID on image sharpness?
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Why is it necessary to reduce the focal spot size when using magnification techniques?
Why is it necessary to reduce the focal spot size when using magnification techniques?
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How does magnification improve spatial resolution?
How does magnification improve spatial resolution?
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What is the basis for choosing the kV setting in screen-film systems?
What is the basis for choosing the kV setting in screen-film systems?
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What is the purpose of choosing the mAs in screen-film systems?
What is the purpose of choosing the mAs in screen-film systems?
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What is a limitation of digital magnification imaging?
What is a limitation of digital magnification imaging?
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