Dental Radiography - Chpt 5 - Effects of Radiation Exposure

dental-radiography-chpt-5-effects-of-radiation-exposure

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According to the indirect theory, what amount of biological alterations from x-radiation exposure result from indirect effects?

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Indirect theory is otherwise known as:

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Which theory states that x-rays ionize water, resulting in the formation of free radicals, which can recombine to form toxins such as hydrogen peroxide?

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Plotting two variables, the amount of radiation and the anticipated response of the biological tissues, creates a dose-response curve.

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This curve indicates "threshold" amount of radiation, below which no biological response would be expected:

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The concept that every dose of radiation may produce damage and should be kept to the minimum necessary to meet diagnostic requirements:

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What does the acronym ALARA stand for?

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Select the sequence of events (i.e. periods) following radiation exposure:

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Period following initial radiation exposure, and before the first detectable effect occurs:

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During the period of injury the following occurs (select all correct answers):

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The period of injury occurs prior to the latent period:

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During the recovery period there may be a certain amount of damage from which no recovery occurs.

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Select the correct sequence of events (i.e. periods) following radiation exposure:

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1
2
3

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latent period
recovery period
period of injury

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Fill in the blank (hint: answer is a number):

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There are

factors that determine radiation injury.

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Select all possible outcomes following radiation exposure:

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