Exam-style question
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What is the primary factor that affects the differential absorption of X-rays in tissues?.
- A.The density of the tissues.
- B.The thickness of the tissues.
- C.The type of X-ray used.
- D.The duration of exposure.
Model answer
What a good answer should say
- The density of the tissues.
Explanation
Why this works
Differential absorption of X-rays is primarily influenced by the density of the tissues. Denser tissues absorb more X-rays, resulting in darker areas on the X-ray image, while less dense tissues allow more X-rays to pass through, appearing lighter.
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