patient as a beam emitter
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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| Attenuation | reduction in photons remaining in beam after passing through a given thickness of material
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| Increased part thickness results in? | increased attenuation
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| What is the radiographers greatest variable? | the patient
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| Attenuation = | scatter + absorption
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| Atomic number and density of air is | atomic #7.78, density 1.29
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| Atomic number and density of fat is? | atomic # 6.46, density 916
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| Atomic number and density of water is ? | atomic # 7.51, density 1000
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| Atomic number and density of muscle is ? | atomic # 7.64, density 1040
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| Atomic number and density of bone is ? | Atomic # 12.31, density 1650
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| Which has low tissue density and absorbs few photons? | air
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| Which has tissue density similar to water? | fat
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| Which has an effective atomic number slightly less than muscle? | fat
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| Calcium is among the _______ atomic number of elements found in the body. | highest
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| Which absorbs a lot of photons? | bone
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| What is the patients relationship to image quality | subject density, subject contrast, subject detail, subject distortion
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| What is subject density? | how tightly it's packed
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| What is subject contrast? | different body compostions in relation to each other
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| Subject detail is dependent on what? | position within the body and the body's placement in relationship to the IR
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Created by:
akd72012
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