Assume the excess lifetime cancer risk for a certain level of exposure to the chemical acrylamide is estimated to be 7.2 x 10-3. This risk is ____________________ generally accepted criteria for follow-up investigation or intervention.

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The prompt asks us to evaluate the excess lifetime cancer risk given for a chemical exposure and indicate how it compares to generally accepted criteria for follow-up.

Option under consideration: 'greater than' the generally accepted criteria for follow-up investigation or intervention.

First, interpret the numeric risk: 7.2 x 10^-3 equals 0.0072, which is 0.72%. This represents a probability of developing cancer over a lifetime due to this exposure.

Next, compare this magnitude to typical screening or intervention thresholds used in risk assessment:
- Many regulatory frameworks consider risks on the order of 1 x 10^-4 (0.01%) or 1 x 10^-5 (0.001%) to be screening or trigger levels for further investigation.
- A risk of 0.72% is vastly larger than these common criteria; it is more than 1,000 times greater than 1 x 10^-4 and tens to hundreds of times greater than 1 x 10^-5.

Therefore, the statement that the risk is greater than the generally accepted criteria for follow-up is correct, because 7.2 x 10^-3 exceeds typical low-level screening thresholds that would prompt investigation or intervention.

If one were to consider an alternative view, such as comparing to a “less than” or “equal to” criterion, those would be inaccurate because:
- 'Less than' would imply the risk is below the threshold, which is false since 0.0072 is not a small risk.
- 'Equal to' would be inaccurate because the value is not equal to standard thresholds; it is substantially higher.

In summary, the given excess lifetime cancer risk (7.2 x 10^-3) is well above commonly used criteria for initiating follow-up actions, supporting the choice that the risk is greater than the generally accepted criteria for follow-up investigation or intervention.

EH 206 Self-Assessment 05

Assume the excess lifetime cancer risk for a certain level of exposure to the chemical acrylamide is estimated to be 7.2 x 10-3. This risk is ____________________ generally accepted criteria for follow-up investigation or intervention.

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EH 206 Self-Assessment 05

Assume the excess lifetime cancer risk for a certain level of exposure to the chemical acrylamide is estimated to be 7.2 x 10-3. This risk is ____________________ generally accepted criteria for follow-up investigation or intervention.

View Explanation

Log in for full answers

Similar Questions

The _________________ is a common metric for characterizing risk of non-cancer risk, while ______________________ is acommon meteric for characterizing cancer risk.

Which of the following is/are true about risk assessment?

A chemical that has very potent bioactivity has been deemed not a risk to you. You apply what you learned in ETX10 and conclude this judgement is reasonable because (choose the best answer)

What steps of risk assessment does not consider the level of exposure?

___________ refers to using statistical methods to estimate the degree of harm likely to be caused by a toxic compound or behavior.

What is the overall objective of a risk assessment?

More Practical Tools for Students Powered by AI Study Helper

Making Your Study Simpler

The _ is a common metric for characterizing risk of non-cancer risk, while ______ is acommon meteric for characterizing cancer risk.