Exam-style question
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What is the purpose of using contrast media in X-ray imaging?.
- A.To reduce radiation exposure
- B.To enhance visibility of certain tissues
- C.To increase X-ray production
- D.To decrease image resolution
Model answer
What a good answer should say
- To enhance visibility of certain tissues
Explanation
Why this works
Contrast media are used to enhance the visibility of specific tissues or structures in X-ray imaging by increasing the differential absorption of X-rays, thus improving the diagnostic quality of the images.
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