grand canyon hlt555 all weeks assignments latest 2015
week 1
Details:
In Silent Spring, Rachel Carson uses a very powerful narrative framework to describe the world as it exists in harmony and bliss before the fall into the massive use of poisons in the environment. In 1,000-1,250-words, summarize the key issues addressed in this publication; discuss how this publication has contributed to current knowledge and understanding of the dynamic between the environment and health; and explain the relationship between the environment and health.
![](https://nursingpaperspal.com/wp-content/uploads/2023/09/1_LFbl_ZPQ4lardjOyusC5Pg.jpeg)
Having Trouble Meeting Your Deadline?
Get your assignment on grand canyon hlt555 all weeks assignments latest 2015 completed on time. avoid delay and – ORDER NOW
Refer to the assigned readings to incorporate specific examples and details into your paper. You are required to use a minimum of three additional references in your paper.
Prepare this assignment according to the APA guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.
This assignment uses a grading rubric. Instructors will be using the rubric to grade the assignment; therefore, students should review the rubric prior to beginning the assignment to become familiar with the assignment criteria and expectations for successful completion of the assignment.You are required to submit this assignment to Turnitin. Refer to the directions in the Student Success Center. Only Word documents can be submitted to Turnitin.
Environmental Epidemiology Assessment
1) Define the following terms: (15 points)
a) Environmental epidemiology:
b) Natural experiment:
c) Descriptive epidemiology:
d) Odds ratio:
e) Relative risk:
2) Explain the work of John Snow using the methodology of the natural experiment. (10 points)
3) List the reasons why epidemiology is important to research studies of environmental health. What are some of the important limitations of the epidemiologic approach with respect to the study of environmental health problems? (15 points)
4) Explain how ecologic analysis is used to study the health effects of air pollution. Provide examples of uncontrolled factors that may affect ecologic study results. (15 points)
5) Describe the importance of the contributions of Sir Percival Pott to environmental health, particularly in the field of cancer prevention. (10 points)
6) Describe Hill’s criteria for disease causality. (10 points)
7) Explain the epidemiologic triangle and how it can be applied to environmental health. (10 points)
8) Explain the difference between descriptive and analytic epidemiology. Provide examples of how both types of study design are utilized in the field of environmental health. (15 points)
To calculate score, take _____total/ 100 x 10
week 3
Details:
This assignment is in two parts:
Part 1: Exposure Assessment Case Study
Read “Cross-sectional Exposure Assessment of Environmental Contaminants in Churchill County, Nevada” by the Centers for Disease Control and Prevention (2003). Use this case study to complete the Exposure Assessment form.
Part 2: Risk Assessment Case Study
Read “Illness Associated with Drift of Chloropicrin Soil Fumigant Into a Residential Area – Kern County, California, 2003.” Use this case study to complete the Risk Assessment assignment.
(50 points)
Directions: Use the case study to provide answers to the following questions.
Case Study:“Illness Associated with Drift of Chloropicrin Soil Fumigant into a Residential Area—Kern County, California, 2003,” located on p. 154 of the textbook
1. Issue Identification
a. What is causing the identified problem?
b. Why is the problem a problem?
c. How was the problem initially identified?
d. What are the public perceptions of the hazard?
2. Hazard Identification
a. What types of adverse health effects might be caused by the problem?
b. How quickly and for what duration might the problem be experienced?
3. Dose Response Assessment
a. Evaluate both qualitative and quantitative toxicity information to estimate the incidence of adverse effects occurring in humans at different exposure levels.
4. Exposure Assessment for the Relevant Population
a. Determine the frequency, magnitude, extent, duration, and character of exposures to the hazard.
5. Risk Characterization
a. Detail the nature and potential incidence of effects for the exposure conditions described in the exposure assessment.
(50 points)
Directions: After
Case Study:“Cross-sectional Exposure Assessment of Environmental Contaminants in Churchill County, Nevada” by the Centers for Disease Control and Prevention.t http://www.cdc.gov/nceh/clusters/fallon/factsheet.pdf
1) Identify the agent:_____________________________________________________
2) What type of agent is described?
biological
chemical
3) Source:
anthropogenic non-anthropogenic
area point
stationary mobile
indoor outdoor
4) Transport/carrier medium:
air
water
soil
dust
food product item
5) Exposure pathways:
eating contaminated food
breathing contaminated air
touching a contaminated surface
drinking contaminated water
6) Exposure concentration:
mg/kg (food) mg/litre (water)
ug/m3 (air) ug/cm3 (contaminated surfaces)
% by weight fibres/m3 (air)
7) Exposure route:
inhalation dermal contact
ingestion multiple routes
8) Exposure frequency:
continuous intermittent
cyclic random
rare
9) Exposure duration:
seconds minutes
hours days
weeks months
years lifetime
10) Exposure setting:
occupational non-occupational
residential non-residential
indoors outdoors
11) Exposed population:
general population
population subgroups
individuals
12) Geographic scope:
site specific
local regional
national international
global
week 4
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Order Now and we will direct you to our Order Page at Litessays. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.