Final answer:
A flea dip might contain chemicals such as pyrethrin, organophosphates, or carbamates, which can become toxic to humans if used incorrectly or if a person has a specific sensitivity. Fatalities could result from respiratory failure or severe allergic reactions. The conclusion provided discusses the statistical evaluation of a flea dip's effectiveness, not its safety profile.
Step-by-step explanation:
Possible Toxins in Flea Dip and Their Effects
Regarding the potential hazard of a flea dip, it's important to understand that products deemed safe under normal conditions might contain chemicals that are toxic at higher concentrations or under certain circumstances. An ingredient commonly used in flea dips is pyrethrin, which is typically safe for both pets and humans. However, in excessive amounts, or if the person has a particular sensitivity or allergic reaction, it could lead to serious health issues, including respiratory problems or a severe allergic reaction.
Most flea control products are designed to target the nervous system of insects, but they can sometimes affect humans or animals if used improperly. For example, substances like organophosphates or carbamates, which work as insecticides, can also be harmful to humans, leading to symptoms such as nausea, dizziness, or even fatal respiratory failure if a person is overexposed. In this unfortunate case, it's possible the girl had direct contact with a high concentration of the chemical or had a hypersensitivity to one of its components, ultimately causing her death.
In the conclusion cited, the sample data refers to a flea dip efficacy test, where at a 1 percent level of significance, there isn't enough evidence to support that the new shampoo kills more than 25 percent of fleas. This scientific method of evaluating the effectiveness of a treatment, through statistical analysis, allows for objective determination of a product's success in reducing flea populations.