Exam-style question
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How does the atomic number of a tissue influence its absorption of X-rays?.
Model answer
What a good answer should say
- Tissues with higher atomic numbers absorb more X-rays due to increased electron density, which enhances the likelihood of photon interactions.
Explanation
Why this works
This answer effectively links the cause (higher atomic number) to the mechanism (increased electron density) and the effect (greater absorption of X-rays). The consequence is that this results in clearer differentiation of tissues in X-ray imaging, improving diagnostic accuracy.
Common mistake
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