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7 Cards in this Set
- Front
- Back
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x-rays and y(gamma) rays are ____ionizing
first step in their absorption is ____ |
indirectly
the production of fast recoil electrons |
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neutrons are___ionizing
first step in their absorption is___ |
indirectly
the production of fast recoil protons, alpha particles, and heavier nuclear fragments |
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biological effects of x-rays be be cause by
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direct ation or indirect action
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about ___of biological damage be x-rays is caused by ___action
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2/3
indirect |
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DNA radicals produced by both direct and indirect action of radiation are modifiable with
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sensitizers or protectors
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DNA lesions produced by high-LET involve___number of DNA radicals
are chemical sensitizers and protectors effective in modifying such lesions?? |
large number
no not effective |
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physics absorption process is____s
chemistry is about ____s biology takes____ |
physics=10^ -15
chemistry=10^ -5 biology = hrs, days, months, yrs, generations |
