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.
Health Professions
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Which of the following pathologic problems are frequently responsible for or associated with prolonged mechanical ventilation? I. pulmonary edema II. ARDS III. trauma IV. asthma
A. I, IV only B. II, III only C. I, II, III only D. II, III, IV only
Health Professions
By entering into a contractual relationship with a health care provider, the person requiring medical attention becomes the:
a. defendant. b. principal. c. patient. d. agent.
Health Professions