and answers With complete solution 100%
pass
high potential difference - Correct Answers Required to move the electron stream rapidly across the X-ray
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tube/ VOLTAGE
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II! Unit of potential difference - Correct Answers Volts
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II! patient dose: - Correct Answers calculated as ESE (entrance skin exposure)
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II! Transformer that has more windings on primary side: - Correct Answers step-down
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II! Factors that affect xray QUALITY: - Correct Answers kvp & filtration
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II! How does scatter rad fog reduce visability of detail in image? - Correct Answers it decreases contrast
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II! Contrast is directly influenced by: - Correct Answers fog & collimation
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II! What minimizes shape distortion? - Correct Answers - position plane of subject parallel to IR
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- position CR perp to IR and subject
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II! Prime factors for exposure: - Correct Answers milliamperage
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exposure time II!
kvp
SID
, II! Precise area of target where xray beam strikes: - Correct Answers actual focal spot
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II! inverse square law - Correct Answers intensity of xray beam is inversely proportional to the square of the
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II! distance
II! Essential elements for xray production: - Correct Answers a target II! II! II! II! II! II! II! II! II! II!
a vacuum
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an electron sourceII! II!
a high potential difference
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II! kvp increases then Compton scatter: - Correct Answers increases
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II! What reduces amt of scatter radiation fog on xray? - Correct Answers decrease kvp
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II! Lead equivalent for protective aprons - Correct Answers 0 5 mm
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II! scatter radiation fog will: - Correct Answers increase density
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decrease contrast II!
reduce visibility of detail II! II! II!
II! Velocity - Correct Answers electromagnetic energy mixes through space at this rate
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II! if mA doubles, QUANTITY of exposure: - Correct Answers doubles
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II! annual effective dose limit - Correct Answers .50 msv
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II! When incoming photon interacts with atom in its body: - Correct Answers creates photoelectric effect /
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II! its totally absorbed by the atom
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