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SCSU PCH342 Final Exam correctly answered to pass
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SCSU PCH342 Final Exam correctly answered to pass
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SCSU PCH342 Final ExamWhat are the 3 categories that diseases are grouped in? - correct answer ✔✔1. Infectious diseases
(communicable)
2. Chronic disease (non-communicable)
3. Injuries
What is the epidemic curve? - correct answer ✔✔It rises until it hits a peak (epidemic); when everyone is
wiped out. It then begins to decline back to its "normal occurrence level of disease" (endemic).
Surveillance can reverse the pattern
What is an endemic? - correct answer ✔✔Normal occurrence level of disease in a given time and place
What are the 3 principles of epidemiology? - correct answer ✔✔1. Distribution of disease occurrences
2. Determination of disease etiology (oringinal cause of disease)
3. The control of disease occurrence
What is surveillance? - correct answer ✔✔The continued watchfulness over the distribution and trends
of incidence through the systematic collection, consolidation, and evaluation of morbidity and mortality
reports and other relevant data, and the regular dissemination of data to all who need to know
What are the steps to disease control? - correct answer ✔✔1. Prevention
2. Treatment
3. Health promotion
What is a pandemic? - correct answer ✔✔An epidemic occurring over a very wide area, crossing
international boundaries, and usually affecting a large number of people.
, What is epidemiology? - correct answer ✔✔Epidemiology is the study of the distribution and
determinants of health-related states or events in specified populations and the application of this study
to the control of health problems
What is an epidemiologist? - correct answer ✔✔An investigator who studies the occurrence of disease
or other health-related conditions or events in defined populations. The control of disease in population
is often also considered to be a task for the epidemiologist
What is an epidemic? - correct answer ✔✔An increase in the number of cases over past experience for a
given population, time and place
What is needed to define an epidemic? - correct answer ✔✔Surveillance
What is a "recipe" for an epidemic? - correct answer ✔✔• Increased amount of a pathogen, agent or
toxic material
• Exposed and susceptible persons
• Common circumstances which lead to occurrence of an epidemic
(a) Susceptible
(b) A new pathogen is introduced
(c) Changes in behavioral, sexual or cultural practices
(d) Host altered by drug-induced immunosuppression or nutrition
What are the steps in an epidemic investigation? - correct answer ✔✔• Establish existence
• Verify diagnosis
• Define and identify cases
• Describe person, place and time
• Develop and test hypothesis
• Implement control
What are the steps in an outbreak investigation? - correct answer ✔✔1. Define the epidemic
2. Examine the distribution of cases
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