Which of the following are factors that can change the risk of using pesticides?

Study for the Ontario Pesticide Training and Certification CORE Test. Prepare with multiple-choice questions, get hints and explanations. Ensure readiness for your certification!

Risk from using pesticides changes with four main ideas: the pesticide itself, how exposure could occur and for how long, how the product is applied, and the environment where it’s used. The pesticide’s properties matter a lot—things like toxicity, formulation, concentration, volatility, and how persistent it is can make any exposure more or less dangerous. The way people or animals are exposed matters too: dermal contact, inhalation, ingestion, or eye exposure each deliver different amounts of pesticide to the body. How long exposure lasts also changes risk—the longer someone is in contact or the more often exposure happens, the greater the potential dose. The method of application is crucial as well; spraying, mixing, loading, or applying in enclosed spaces can create different exposure opportunities and drift, and using proper personal protective equipment can greatly reduce risk. Finally, the environment influences risk: factors like temperature, humidity, airflow, proximity to workers or bystanders, nearby water sources, and sensitive populations all affect how a pesticide behaves and how people might be exposed. Choices like season or weather are part of the environmental context and can modify risk, but the color of the bottle does not affect actual risk.