Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

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What measure is used to estimate internal radiation doses based on different individual characteristics?

Half-life
Specific absorption rate (SAR)
Power density
Working level month (WLM)

The correct answer is: Specific absorption rate (SAR)

The specific absorption rate (SAR) is a measure used to estimate the internal radiation doses based on different individual characteristics. Half-life, power density, and working level month (WLM) are not appropriate measures for estimating internal radiation doses. Half-life is the amount of time it takes for radiation to decrease by half, but it does not provide information about an individual's exposure. Power density is a measure of the amount of radiation in a given area, but it does not take into account individual characteristics. Working level month (WLM) is a measure used in the mining industry to estimate cumulative exposure, but it is not tailored to individual characteristics and is not specific to internal radiation dosimetry.