BOS4201 Unit 3 Assessment Latest 2019 January Question # 00598580 Subject: Education Due on: 02/26/2019 Posted On: 02/26/2019 06:30 AM Tutorials: 1 Rating: 4.8/5
BOS4201
Toxicology
Unit 3 Assessment
Question 1
Discuss the pesticide dichlorodiphenyltrichloroethane (DDT).
What was DDT initially used for, and how does it work as a pesticide? Explain
the benefits of DDT, and then discuss how DDT moves through the environment.
Your response should be at least 300 words in length.
Question 2
Explain the difference between pollution and contamination.
Discuss a specific environmental pollutant that has had a negative effect on
the environment. How did the pollutant affect the environment? How was the
pollutant introduced and transferred throughout the environment?
Your response should be at least 300 words in length.
Question 3
A family goes fishing at a weekend getaway and has a fish
fry with their catch. Several of the family members fall sick, and when they
were screened in the emergency room, test results show that benzene was consumed
by the family members. The fish that were consumed evidently came from a lake
that was contaminated. The following data set represents the level of benzene
(in micrograms) that each member consumed. Within your response, please explain
how you calculated your answer.
Given the data set 215, 501, 305, 298, 345, 305, 465,
calculate the results below:
a. mean,
b. mode,
c. median, and
d. standard deviation.
Your response should be at least 300 words in length.
Question 4
A population of individuals was exposed to lead
contamination in drinking water at the concentration of 27 parts per billion
(ppb). The following represents a small sample set from the population
indicating the level of response to the contaminant rated on a scale from 1–20.
Within your response, please explain how you calculated your answer (1
indicating minimal effects and 20 indicating maximum effects to the lead
exposure).
Given the data set 9, 12, 7, 15, 8, 9, 10, calculate the
following results:
a. mean,
b. mode,
c. median, and
d. standard deviation.
Your response should be at least 300 words in length.
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