HCSV 362 Study Guide - Midterm Guide: Sentinel Species, Talc, Lead Poisoning

• School: Chico State University
• Department: Health and Community Services
• Course: HCSV 362
• Professor: Dianna Flannery

Document Summary

In a giant spraying sound, know why farmers are using more and more pesticides. Play close to the ground, everything goes in their mouths, developing immune systems. Dioxins/pcbs: dioxins can cause cancer in human and animal studies and low levels of pcbs are linked to impaired neurological development in babies and children. Levels have declined in the last few decades, but some are still showing up in about 5-25% of the population (or as much as 50%). Problems associated with assessing a new chemical"s safety. With whom should pesticide tolerance levels on food be based? (children or adults) Examples of unnecessary pesticide use. - indoor and outdoor home use; sterilizing soil, etc. Pesticide: pesticides are chemicals designed to kill a variety of pests, such as weeds, insects, rodents, and fungi. Herbicide: a substance that is toxic to plants and is used to destroy unwanted vegetation.