Increased grid ratios have which of the following effects?
ability to absorb less scatter before reaching the image receptor
longer scale contrast
increased density
ability to absorb more scatter before reaching the image receptor
ability to absorb more scatter before reaching the image receptor
Rationale: Higher ratio grids are more efficient as they are able to absorb more scatter before reaching the image receptor to help achieve a shorter scale contrast.
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When opening the medical office, the receptionist should perform all of the following tasks except:
A) checking the office answering system. B) turning off the office alarm system. C) searching for files while patients are in the office. D) organizing the reception room.
Which of the following conditions are generally accepted as indications for ultraviolet light therapy?
A. Psoriasis and dermatitis B. Wounds due to venous insufficiency C. Surgical wounds D. None of the above