Assignment: Exposure and Risk Assessment HLT 555
Assignment: Exposure and Risk Assessment HLT 555
HLT555 Environmental Health
Week 3 Assignment
Exposure
and Risk Assessment
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.
Directions: After
reading the Centers for Disease Control and Prevention case study, answer the
following questions.
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)
Assignment: Exposure and Risk Assessment HLT 5557)
Exposure route:
inhalation
dermal contact
ingestion multiple routes
8)
Exposure frequency:
continuous
intermittent
cyclic random
ORDER NOW FOR AN ORIGINAL NURSING ESSAY ASSIGNMENT ON: Assignment: Exposure and Risk Assessment HLT 555Exposure 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
Assignment: Exposure and Risk Assessment HLT 555individuals
12)
Geographic scope:
site specific
local regional
national international
global
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.
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?
Assignment: Exposure and Risk Assessment HLT 5552. 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.
HLT555 Environmental Health
Week 4 Assignment
Global
Warming and Vector-Borne Diseases (Benchmark Assignment)
In this
two-part assignment.
Part 1:
Illustration
Assignment: Exposure and Risk Assessment HLT 555Illustrate
a particular environmental agent and its effect on the environment. You may use
a flow chart, diagram, pictorial, or other instructor-approved format. The
illustration should show:
The
vector-borne disease.
The pathway
or chain of the disease.
The factors
that contribute to the spread of the disease.
The effect
of the disease.
Part 2:
Narrative
In a short
narrative (750 words maximum), do the following:
Identify
the vector-borne disease.
Explain in
detail the factors contributing to global warming.
Describe
the effect of global warming on the incidence and prevalence of the disease.
Utilize a
minimum of three references to support your claims.
Prepare the
narrative portion of the assignment according to APA guidelines found in the
APA Style Guide, located in the Student Success Center. An abstract is not
required.
Assignment: Exposure and Risk Assessment HLT 555This
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 teh narrative portion of this assignment to LopesWrite.
Refer to the directions in the Student Success Center. Only Word documents can
be submitted to LopesWrite.