Which testing device is used in quality control to compare the density of the radiographic image?
a safelight
a photoreceptor
a viewer
a step wedge
a step wedge
Rationale: a step wedge – This device consists of increments of absorber through which a radiographic exposure is made on film to permit determination of the amounts of radiation reaching the film by measurements density.
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________ Medical suppliers and pharmaceutical representatives must always take precedence over patients at the office
Indicate whether the statement is true or false
Recombinant DNA refers to a. modifying a patient's DNA through the use of radiation
b. modifying a patient's DNA through changes in diet. c. combining genetic material from different sources to create new DNA. d. combining medications with the goal of modifying a patient's DNA.
A 0.85% saline solution is:
A. 85 g of NaCl made up to 1,000 mL of water B. 8.5 mL of saline added to 91.5 mL of water C. 0.85 g NaCl made up to 100 mL of water D. 8.5 g NaCl in 100 mL of water
The third level of disease prevention involves ________ and management of an existing illness to maintain functionality and avoid further disability.
Fill in the blank(s) with the appropriate word(s).