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Questions and Answers
Which of the following factors affects radiographic contrast?
Which of the following factors affects radiographic contrast?
- Grid ratio
- Patient thickness
- Use of contrast media
- All of the above (correct)
What is the formula for radiographic contrast?
What is the formula for radiographic contrast?
- Contrast = image receptor * subject contrast (correct)
- Contrast = image receptor - subject contrast
- Contrast = image receptor / subject contrast
- Contrast = image receptor + subject contrast
Which of the following is NOT a factor affecting radiographic contrast?
Which of the following is NOT a factor affecting radiographic contrast?
- Processing time or temperature
- Voltage ripple
- Screen-film contact
- Object-Image-Distance (OID) (correct)
What is the relationship between exposure time and the degree of x-ray burn?
What is the relationship between exposure time and the degree of x-ray burn?
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What happens to the penetrability of x-rays when the voltage (kVp) increases?
What happens to the penetrability of x-rays when the voltage (kVp) increases?
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