If AEC was applied to a PA chest, which photocells should be selected?
both outer cells
center cell only
all three cells
center cell and one outer cell
both outer cells
Rationale: AEC set for a PA chest would require the two outer cells to be selected. The outer cells would cover each lung. If the center cell is selected, overexposure may occur because of the midline density of the spine.
Health Professions
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What will be an ideal response?
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Which of the following risk factors has been proven to increase the risk of cardiovascular disease?
A) Oral contraceptive use B) Type A personality C) Stress D) Lack of exercise
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