Analyze Image Quality Factors
ARRT Radiography Exam · Flashcards
ARRT RADIOGRAPHY EXAM · FLASHCARDS
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QUESTION
What is the approximate kVp change needed to double receptor exposure (15% rule)?
QUESTION
What alignment condition is required to minimize shape distortion?
QUESTION
Which factor is the major source of reduced contrast in radiographic images?
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ANSWER
Scatter radiation. Scatter adds uniform exposure without anatomic information, veiling the image and reducing visibility of density variations.
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