Optimize Exposure For Image Quality
ARRT Radiography Exam · Flashcards
ARRT RADIOGRAPHY EXAM · FLASHCARDS
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QUESTION
What is the primary effect of increasing mAs on image noise in digital radiography?
QUESTION
Which exposure factor primarily controls radiographic contrast (short-scale versus long-scale)?
QUESTION
Identify the effect of increasing OID on recorded detail (spatial resolution).
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ANSWER
Recorded detail decreases (more blur). Increased OID enlarges the penumbra, causing more geometric blur and reducing spatial resolution.
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