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NAPSR Biostatistics and Epidemiology Exam Questions And 100% Correct Answers

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NAPSR Biostatistics and Epidemiology Exam Questions And 100% Correct Answers...

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  • November 6, 2024
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  • 2024/2025
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NAPSR Biostatistics and Epidemiology Exam
Questions And 100% Correct Answers


What does public health policy concern itself with? - ANSWER Safeguarding and
protecting the health of a community as a whole e.g. immunizations, motor vehicle
safety, workplace safety, control of infectious diseases, safer and healthier foods,
healthier mothers and babies, family planning



What concern is the epidemiologist? - ANSWER Community health



Disease - ANSWER An abnormal condition that impairs proper physiological or
psychological function



Illness - ANS Subjective state of a person aware of not being well



Sickness - ANS State of social dysfunction; a role that the individual assumes when ill



Clinical diagnosis - ANS Clinical finding associated with pathology in a large group of
people



Prognosis - ANS Observations of a large group of people with the same disease, stage,
treatment



How does epidemiology impact the choice of appropriate therapy? - ANSWER Research
into the outcomes of therapy in a large randomized clinical trial



Epidemic - ANSWER Greater number of cases of a disease than expected within a given
period among a specific population e.g. AIDS in North America

,Endemic - ANSWER The consistent presence of a disease within a particular geographic
region or population



Pandemic - ANSWER An epidemic that has spread to human populations across borders



William Farr - ANSWER 1807-1883; in the Western world regarded as one of the
founders of DESCRIPTIVE EPIDEMIOLOGY-medical statistics



John Snow - ANSWER 1813-1858; regarded in the Western world as the father of
ANALYTICAL EPIDEMIOLOGY; leader in the adoption of anesthesia and medical hygeine



Triad of descriptive epidemiology - ANSWER Examines the NATURAL HISTORY and
DISTRIBUTION of disease via:

1. Time

2. Person

3. Place



TIME in descriptive epidemiology - ANSWER 1. Annually?, seasonally?, daily?

2. Changing or stable?, trends compared with x years ago?

3. Clustered (epidemic) or evenly distributed (endemic)



PERSON in descriptive epidemiology - ANSWER 1. Age

2. Gender

3. Ethnicity

4. Marital status

5. Socioeconomic status

6. Occupation



PLACE in descriptive epidemiology - ANSWER 1. Geographically restricted or

, widespread

2. Geographic variation (rural/urban)

3. Multiple clusters or one

4. Physical location in relation to water and food supply, pollution



Strengths of descriptive epidemiology - ANSWER 1. Determines the extent of disease in
the community

2. Evaluates trends and disease within and among populations

3. Provides a basis for planning, provision, and evaluation of health services

4. Provides data to be analyzed



Types of descriptive epidemiological studies - ANSWER 1. Case reports

2. Case series

3. Correlation studies**

4. Cross sectional studies= community health survey**



Strengths of analytic epidemiology - ANSWER 1. Measures the determinants of disease
in a population

2. Identifies risk factors

3. Identifies causative agents

4. Employs comparison groups



Analytic epidemiology - ANSWER Examines a specific hypothesis of association
between exposure and disease



Triad of analytic epidemiology - ANSWER 1. Host factors (nutritional status, immune
status, genetics)

2. Agent (bacteria, virus, pollution, radiation)

3. Enviroment (living situation)

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