Thresholds, as they relate to harm from any teratogen, are difficult to set because one teratogen may _____ the harm from another teratogen.

Question

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It is difficult to set thresholds for harm from teratogens because exposure to one teratogen may increase the harm caused by another teratogen. This means that the threshold for harm may be different depending on the specific combination of teratogens a person is exposed to.

Thresholds, as They Relate to Harm from Any Teratogen, Are