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SCSU PCH342 Final Exam Questions and Answers (100% Pass)
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SCSU PCH342 Final Exam Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMSCSU PCH342 Final Exam Questions and Answers (100% Pass)
What are the 3 categories that diseases are grouped in? - ✔️✔️1. Infectious diseases
(communicable)
2. Chronic disease (non-communicable)
3. Injuries
What is the epidemic curve? - ✔️✔️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? - ✔️✔️Normal occurrence level of disease in a given time and place
What are the 3 principles of epidemiology? - ✔️✔️1. Distribution of disease occurrences
2. Determination of disease etiology (oringinal cause of disease)
3. The control of disease occurrence
What is surveillance? - ✔️✔️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? - ✔️✔️1. Prevention
2. Treatment
3. Health promotion
What is a pandemic? - ✔️✔️An epidemic occurring over a very wide area, crossing
international boundaries, and usually affecting a large number of people.
What is epidemiology? - ✔️✔️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
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
What is an epidemiologist? - ✔️✔️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? - ✔️✔️An increase in the number of cases over past experience for a
given population, time and place
What is needed to define an epidemic? - ✔️✔️Surveillance
What is a "recipe" for an epidemic? - ✔️✔️• 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? - ✔️✔️• 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? - ✔️✔️1. Define the epidemic
2. Examine the distribution of cases
3. Look for the combination (interactions) of relevant variables
4. Develop hypothesis
5. Test hypothesis
6. Recommend control measures
Explain *step 1* of an outbreak investigation - ✔️✔️Define the epidemic
(a) Define the numerator (cases)
1. Clinical features: is the disease known?
2. What are it's serologic or cultural aspects?
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