Mol & Cell Radiobio
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Two OH free radicals can join to form this molecule. | Hydrogen peroxide
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| The disassociation of water molecules following irradiation is known as: | Radiolysis
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| Indirect effects of ionizing radiation occur in this molecule. | Water
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| Cross linking has what effect on viscosity. | Increases viscosity
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| Direct effects of ionizing radiation occur with this molecule. | DNA
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| The principal radiation interaction with thin the human body are assumed to be: | Indirect effects
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| This type of DNA damage may not be reversible. | Loss or change of a nitrogen base
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| Molecular lesions to DNA care also called: | Point mutations
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| What happens if oxygen is present in the cell during low LET radiation? | The radiation effects will be increased.
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| The threshold dose for irradiation of human cells is represented by: | DQ (subscript Q)
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| Human cells are most radiosensitive during which phase of the cell cycle? | Mitosis
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| The mean lethal dose form human cells is represented by: | DO (subscript O)
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| What effect does high LET radiation have on the probability of a hit occurring in a human cell? | It increases the probability of a hit.
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| A target molecule that is inactivated will always cause: | cell death
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| The target molecule is: | DNA within the nucleus
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| This is when the cell dies without attempting division during the interphase portion of the cell life cycle. | Apoptosis
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| Miotic cell death is also known as: | Genetic death
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| This law describes how a cells' radiosenistivity is influenced by proliferation rate and maturity. | Law of Bergonie and Tribondeau
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| Apoptosis is also known as: | Interphase death
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| Reproductive death occurs at a non-fractionated dose of: | 1-10 Gy
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| Instant cell death can occur at a dose of ________ with gamma or x-radiation. | 1000 Gy
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| A dose as low as _____ can delay cell division. | .01 Gy
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Created by:
mlegler