*NURSING > CASE STUDY > Case Study Questions And Answers 100% Verified Exam Solution 2022/2023 A+ (All)
Case Study Questions And Answers 100% Verified Exam Solution 2022/2023 What has happened in Pitcher, Oklahoma, to make it the largest Superfund site in the United States? - ANS-abundant resources... lead and zinc ore mined for ammunition world war II, hazardous chemicals produced chat piles, put in asphalt roads, and filler between What are chat piles and how do they affect Tar Creek? - ANS-mining waste, high levels heavy metals (Cd. Cu, Ni, Pb, Zn), rainwater into chat piles and filter chemicals into creek, 5% flow rate chat piles, 90% Cd, 30% Zn, 50% Pb, from chat piles The people in the town of Pitcher have experienced high exposure to the lead in the mine tailing. How does exposure to lead lead to neurological problems? - ANSappear mimic function Ca serves in body, Ca only enter by binding specific protein receptors in cells, Pb use name pathway get in cells and interfere nerve impulses Why were the children the primary targets for Howard Hu's study of exposure to metal from abandoned zinc and lead mines? - ANS-teeth of school aged children showed high levels lead, children specifically vulnerable due to developing brain such as loss of IQ, speech-language-behavior problems Hu's study also looks at the effects of multiple mixes of toxic metal exposure on people. What are the problems of doing exposure and risk assessments when more than one toxin is involved at the same time? - ANS-very difficult isolate variable causing any one problem if multiple variables involved, we know isolated effects each one, mixtures interact ways unforeseen (sometimes much worse effects and other times cancel each other out) Robin Whyatt is researching links to birth defects from indoor pesticide use in New York City. What does she believe to be a common misconception about pesticides? - CONTINUES... [Show More]
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