RT Book, Section A1 Costa, Lucio G. A2 Klaassen, Curtis D. A2 Watkins, John B. SR Print(0) ID 6485303 T1 Chapter 22. Toxic Effects of Pesticides T2 Casarett & Doull's Essentials of Toxicology, 2e YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-162240-0 LK accesspharmacy.mhmedical.com/content.aspx?aid=6485303 RD 2024/03/29 AB A pesticide may be defined as any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest.Pesticide exposures include (1) accidental and/or suicidal poisonings; (2) occupational exposure (manufacturing, mixing/loading, application, harvesting, and handling of crops); (3) bystander exposure to off-target drift from spraying operations; and (4) the general public who consume food items containing pesticide residues.Chemical insecticides in use today poison the nervous systems of the target organisms.An herbicide is any compound that is capable of either killing or severely injuring plants.A fungicide is any chemical capable of preventing growth and reproduction of fungi.