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charts, compensations, formulas, applications

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
What are the 4 primary exposure factors?   show
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What does each control   show
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show Ma x time =Mas  
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show  
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when ever you see distance its what?   show
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show A decimal  
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show Cr/dr -histogram  
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Purpose of technique charts   show
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show at CR level  
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show Mas remains constant. Kvp values according to part thickness. List baseline kv and use +2 kv per cm  
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show variable contrast  
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What are the advantages of a variable kvp chart   show
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Fixed kvp chart   show
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show  
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Advantage of a fixed kvp chart   show
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Disadvantage of a fixed kvp chart   show
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show Fixed kvp chart because we can lower our mas  
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show Phantoms, calipers, calculator, objective/subjective- Bt, Std & high contrast  
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When using a variable kvp chart what must be down in order to select kv   show
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show infants 0-2 use 1/4 0f mas pre school 2-6 use 1/2 of mas school 6-12 use 3/4 of mas teens >12 no change  
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show plaster- dry is easier to penetrate 2 x mas or increase 10 kv  
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show plaster- wet is harder to penetrate 3 x mas or increase 15 kv  
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show increase 5 kv  
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beam restriction: rules of thumb when collimating   show
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show indirectly  
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show quantity and density  
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show motion and recorded detail  
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show ma x t = mas ma1= t2 ma2 t1  
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show based upon isl (what is law and formula) mas1=(sid1)2 if no time just use ma mas2 (sid2)2 if no ma just use time DISTANCE IS ALWAYS SQUARED IN FORMULAS  
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show direct relationship  
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technique conversion formulas   show
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show incr. 15%= 1/2 mas (50%) decr. 15%= 2 x mas (100%)  
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Created by: eckoultd1972
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