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rad bio quiz 4
rad bio quiz 4 questions ch 38
Question | Answer |
---|---|
what is the beam intensity limit in flouro? | 2.1R/min per mA |
the light localized variable apperature collimator must be how accurate | 2% of the SID |
lead equivalency of the bucky slot cover is what? | .25mm |
what lead thickness is needed for primary protective barriers? | 1/16 inch |
the maximum variation in linearity is: | +/- 10% |
what is the use factor of a secondary barrier? | one |
reproducibility of output intensity should be accurate to within: | +/- 5% |
personnel monitoring is required when? | when it is likely that one will recieve 1/10 the DL |
shielding for uncontrolled areas must stay below | 100mrem/yr |
image intensifier lead equivalency | 2.0 mm Pb eq |
lead drape thickness in flouro | .25 mm Pb eq |
minimum SSD for flouro | 15" |