Exam-style question
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Why do soft tissues appear darker on X-ray images compared to bones?.
- A.Soft tissues have lower density and atomic number.
- B.Bones absorb less X-ray radiation.
- C.Soft tissues are not affected by X-rays.
- D.All tissues absorb X-rays equally.
Model answer
What a good answer should say
- Soft tissues have lower density and atomic number.
Explanation
Why this works
Soft tissues have lower density and atomic number, which means they absorb fewer X-rays compared to bones. The mechanism involves less interaction between X-ray photons and the atoms in soft tissues.
The effect is that soft tissues appear darker on X-ray images, providing contrast that helps in identifying various anatomical structures, which is crucial for effective medical diagnosis.
Common mistake
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