image critique - QA and QC
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 filtration is needed for tubes operating at 70 kVp and above? | show 🗑
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| show | 1.5 mmAleq
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| What filtration is needed for tubes operating at 50 kVp and below? | show 🗑
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| show | +/- 2% of the SID
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| show | +/- 1%
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| show | +/- 1%
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| How much can the tolerance for the exposure timer be off? | show 🗑
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| How do we check the phototimer accuracy? | show 🗑
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| show | there should be 30 dots, half the number of dots always means it’s the rectifier
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| What is the 9 penny test used for? | show 🗑
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| show | combinations of mA and s that yield the same mAs
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| show | a sequential increase in mAs should produce the same sequential increase in exposure
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| Reproducibility | show 🗑
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| show | +/- 5% (same as the variance in voltage supply)
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| How much can the tolerance for film illuminators (viewboxes) be off? | show 🗑
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| show | 10R per minute (100mGy per min)
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| show | 20R per minute (200mGy per min)
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| ESE readout for cassette spot films in flouro: | show 🗑
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| show | 100mR
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| Allowable variance in tube arc for tomo (greater than 30 degrees): | show 🗑
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| Allowable variance in tube arc for tomo (less than 30 degrees): | show 🗑
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| Repeat rates should fall between: | show 🗑
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Created by:
annaluz87
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