NSG 522- Final Exam Questions With Answers
5 W's of Epidemiology? - Answer-What
When
Where
Who
Why
/.acronmyn BEINGS Model of Disease Causation, what does it mean? - Answer-Biological, Behavioral
Environmental
Immunological
Nutritional
Genetic
Services, Social, Spiritual
/.Airborn...
5 W's of Epidemiology? - Answer-What
When
Where
Who
Why
/.acronmyn BEINGS Model of Disease Causation, what does it mean? - Answer-
Biological, Behavioral
Environmental
Immunological
Nutritional
Genetic
Services, Social, Spiritual
/.Airborne transmission can be both direct and indirect. Why is this the case? - Answer-
Droplet= direct mode of transportation
Droplet nuclei= indirect mode of transportation
/.An Epidemic Curve can be used to describe what characteristic of health-related
states/events - Answer-Time
/.Analytic Epidemiology describes which elements? - Answer-WHY AND HOW
/.Analytic Epidemiology studies the? - Answer-Determinants of health-related events.
The WHY, the Causes
/.Are cross-sectional studies prospective or retrospective? - Answer-They are neither.
/.Are screening tests diagnostic? - Answer-No they are not. They are used to identify
people who might have a disease.
/.Case= - Answer-An individual who has the disease, disorder, injury, health behavior,
or health event of interest
/.Characteristics of percentages? - Answer-Numerator is always a part of the
denominator. Just a proportion multiplied by 100.
/.Characteristics to Non-randomized clinical trials (quasi-experiments) - Answer-No
randomization to treatment groups, comparison group may be different from the
intervention group, control of the intervention.
, /.Characteristics to Randomized Control Trials - Answer-Randomization to treatment
group, Control of the intervention.
/.Confirmed= - Answer-All criteria are met.
/.Define a carrier? - Answer-A person with inapparent infection who is capable of
transmitting the pathogen to others.
/.Define Attributable Risk - Answer-The amount of disease associated with a causative
factor in a specified population.
/.Define Common Source - Answer-attributed to a specific source
/.Define Communicability of Disease? - Answer-The ability of a disease to be
transmitted from one person to another OR to spread through the population.
/.Define Herd Immunity? - Answer-The resistance a population has to the invasion and
spread of an infectious disease.
/.Define Mixed Epidemic - Answer-Stats with a common source and then spread by
person-to-person contact.
/.Define Morbidity - Answer-Morbidity rate is a measure of the frequency of occurrence
of disease or injury in a defined population during a specified interval.
/.Define mortality - Answer-A mortality rate is a measure of the frequency of the
occurrence of death in a defined population during a specific interval.
/.Define negative predictive value - Answer-Probability that a person who has a negative
test does not have the disease. Proportion of people with a negative test result who do
not have the disease.
/.Define Portal of Exit? - Answer-The path by which a pathogen leaves it's host.
/.Define Positive Predictive Value - Answer-Probability that a person who has a positive
test actually has the disease. Proportion of people with a positive test result who have
the disease.
/.Define Propagated Source - Answer-Transmitted from person to person
/.Define Public Health Surveillance - Answer-Ongoing, systematic collection, analysis
and interpretation of health-related data essential to information for the planning,
implementation, and of public health practice, closely integrated with the timely
dissemination of these data to those responsible for prevention and control
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