Physics A-Level
Safety
What Safety means in Physics A-Level, as defined for AQA.
Definitions of Safety
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Check what you remember
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Reference: AQA
Considered for both patient and operator, including dose, exposure time, need for contrast agents and any non-ionising alternatives.
Ionising radiation dose, heating or cavitation risks, contrast agent reactions and any need to avoid certain patients.
Topics that use Safety
- CT scanner (A-level only) (AQA A-Level)
- Imaging comparisons (A-level only) (AQA A-Level)
Related terms
- Image resolution
- Attenuation measurements along many paths
- Clinical suitability and practical constraints
- Computer reconstruction of cross-sectional images
- Convenience
- Image quality and contrast mechanisms
- Ionising radiation
- Justified comparison
Using Safety in the exam
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