Beam Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what makes up inherent filtration? what is total filtration? | show 🗑
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| show | lower patient dose
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| show | ml of Aluminum
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| if we have filtration, true or false we eliminate a certain quantity of radiation from striking the patient image receptor | show 🗑
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| if we have filtration that stops radiation from striking patient image receptor, what happens to density | show 🗑
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| show | higher
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| what happens to contrast when we harden the beam | show 🗑
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| show | .5
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| FDA requirements 50-70 | show 🗑
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| FDA requirements 70-100 Recommend? | show 🗑
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| show | 3.0
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| show | between the tube and the patient
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| show | to make up for lost of contrast and densities in certain areas, tissue difference densities.
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| show | wedge- filter with foot or t-spine)
trough- filter with cxr(chest)
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| show | lower patient dose, not letting as much radiation through, lessening the scatter
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| if we properly collimate and compensate with our techniques what does it do to contrast, what are some advantages | show 🗑
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| what is the simplest type of filtration. could you vary field size | show 🗑
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| show | cylinder, Cone
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| show | blurring on the edge
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| show | stem or off focus
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| show | contrast(improves image quality)
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| show | 45 degrees, 8 penny test
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| show | 15 mm has to be equal
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| show | eliminate off focus radiation.
collimator shutters
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| what does PBL stand for | show 🗑
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| show | increase 40% Mass, increase 60% Mass
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| show | the width of the penny which is 2% of SID, and at 40" SID
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| what is the purpose for filters | show 🗑
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| what is HVL | show 🗑
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| what are the two types of filters | show 🗑
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| show | scatter decreases, and contrast increases
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| show | to prevent density decrease.
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| show | 1.) Focal spot
2.)Filter( Entrance shutters)
3.)Mirror at 45 degrees
4.)light(lamp)
5.) Second stage shutters(cross shutters)
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Created by:
johnsoni1986
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