Atoms & Nuclear Radiation (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Dangers of radiation
Dangers of radiation
Can damage cells and DNA
Radiotherapy purpose
Radiotherapy purpose
Kill cancer cells with high doses
Example of radiotracer
Example of radiotracer
Technetium-99
Radiotracer function
Radiotracer function
Diagnose/monitor conditions by imaging organs
Imaging techniques used with radiotracers
Imaging techniques used with radiotracers
X-rays or PET scanners
Gamma rays in sterilisation
Gamma rays in sterilisation
Kill bacteria/pathogens on surgical instruments
Food irradiation effect
Food irradiation effect
Extends shelf life by killing bacteria/parasites
Does food irradiation make food radioactive?
Does food irradiation make food radioactive?
No
Radiography use
Radiography use
Inspect materials/structures for integrity
What does radiography detect?
What does radiography detect?
Cracks or flaws
Radioactive element in smoke detectors
Radioactive element in smoke detectors
Americium-241
Nuclear reactors purpose
Nuclear reactors purpose
Produce electricity via controlled nuclear reactions