Wood Destroying Organism (WDO) Home Inspection Practice Exam

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True or False: Insect growth regulators (IGRs) have high mammalian toxicity.

True
False

The correct answer is: False

Insect growth regulators (IGRs) are specifically designed to target the development of insects and disrupt their growth processes without causing significant harm to non-target organisms, including mammals. This distinction is crucial because it underlines the safety and environmental compatibility of IGRs when used for pest management. IGRs function by mimicking hormones that insects normally produce, causing them to grow abnormally or preventing them from reaching maturity. The molecular mechanisms at play in mammals differ significantly, allowing for a wide margin of safety. Hence, IGRs demonstrate low mammalian toxicity, making them suitable for use in various environments, including residential areas. This safety profile sets IGRs apart from many traditional pesticides, which can exhibit higher toxicity to mammals. Understanding this characteristic of IGRs is vital for anyone involved in pest management, as it influences both the choice of pest control methods and the safety protocols needed during application.