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Lactation Consultant Exam Prep

Category - Lactation Consultant

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Which fact relating to environmental toxicology is accurate?
  1. The effect of environmental toxins depends on the quantity and the timing of the exposure.
  2. Environmental toxins are hazardous to the health of all ages, especially older adults.
  3. Environmental toxins are most hazardous to those with a developmental disability.
  4. The effect of environmental toxins depends on the size of the toxic molecules.
Explanation
Answer: A - The effect of environmental toxins depends on the quantity and the timing of the exposure. For example, those who live in geographic areas with minimal air pollution will not be affected as much as those who live in areas with dense, continuous pollution. Also, the timing of the toxic exposure is a factor that impacts on the effect of environmental toxins. For example, young children and babies, and even those in utero, are more adversely affected with environmental toxins during these formative times than others not in their formative years.
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