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Which of the following is the most appropriate documentation following local anesthesia injections?

Utilization of which of the following formulas will have an effect on contrast? Inverse square law 15% rule Direct square law

A film transmits 0.08% of the incident light.  What is the opacity?

The product of mA and exposure time is equal to ____.

The mA station is changed from 300 mA to 150 mA.  Which of the following changes in the x-ray beam will occur?

What is the exposure rate 40” from a source that has an exposure rate of 36 mR at a distance of 72” from the source?

What is the magnification of an image taken at 72 inch SID and 8 inch OID?

If a positioning aid cannot be used and a patient needs to be held for a radiographic procedure, who should be the first choice?

What is the minimum change needed to make a visible change in density on a radiograph?

Which of the following groups of exposure factors would be most appropriate to control involuntary motion?