NSG 522- Final Exam Questions | 2026/2027 | Answers
Correct | With Complete Solutions
5 W's of Epidemiology? Correct Answers What
When
Where
Who
Why
acronmyn BEINGS Model of Disease Causation, what does it
mean? Correct Answers Biological, Behavioral
Environmental
Immunological
Nutritional
Genetic
Services, Social, Spiritual
Airborne transmission can be both direct and indirect. Why is
this the case? Correct Answers 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 Correct Answers Time
Analytic Epidemiology describes which elements? Correct
Answers WHY AND HOW
Analytic Epidemiology studies the? Correct Answers
Determinants of health-related events. The WHY, the Causes
,Are cross-sectional studies prospective or retrospective?
Correct Answers They are neither.
Are screening tests diagnostic? Correct Answers No they are
not. They are used to identify people who might have a disease.
Case= Correct Answers An individual who has the disease,
disorder, injury, health behavior, or health event of interest
Characteristics of percentages? Correct Answers Numerator is
always a part of the denominator. Just a proportion multiplied by
100.
Characteristics to Non-randomized clinical trials (quasi-
experiments) Correct Answers No randomization to treatment
groups, comparison group may be different from the
intervention group, control of the intervention.
Characteristics to Randomized Control Trials Correct Answers
Randomization to treatment group, Control of the intervention.
Confirmed= Correct Answers All criteria are met.
Define a carrier? Correct Answers A person with inapparent
infection who is capable of transmitting the pathogen to others.
Define Attributable Risk Correct Answers The amount of
disease associated with a causative factor in a specified
population.
, Define Common Source Correct Answers attributed to a
specific source
Define Communicability of Disease? Correct Answers The
ability of a disease to be transmitted from one person to another
OR to spread through the population.
Define Herd Immunity? Correct Answers The resistance a
population has to the invasion and spread of an infectious
disease.
Define Mixed Epidemic Correct Answers Stats with a common
source and then spread by person-to-person contact.
Define Morbidity Correct Answers Morbidity rate is a measure
of the frequency of occurrence of disease or injury in a defined
population during a specified interval.
Define mortality Correct Answers 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 Correct Answers 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? Correct Answers The path by which a
pathogen leaves it's host.
Correct | With Complete Solutions
5 W's of Epidemiology? Correct Answers What
When
Where
Who
Why
acronmyn BEINGS Model of Disease Causation, what does it
mean? Correct Answers Biological, Behavioral
Environmental
Immunological
Nutritional
Genetic
Services, Social, Spiritual
Airborne transmission can be both direct and indirect. Why is
this the case? Correct Answers 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 Correct Answers Time
Analytic Epidemiology describes which elements? Correct
Answers WHY AND HOW
Analytic Epidemiology studies the? Correct Answers
Determinants of health-related events. The WHY, the Causes
,Are cross-sectional studies prospective or retrospective?
Correct Answers They are neither.
Are screening tests diagnostic? Correct Answers No they are
not. They are used to identify people who might have a disease.
Case= Correct Answers An individual who has the disease,
disorder, injury, health behavior, or health event of interest
Characteristics of percentages? Correct Answers Numerator is
always a part of the denominator. Just a proportion multiplied by
100.
Characteristics to Non-randomized clinical trials (quasi-
experiments) Correct Answers No randomization to treatment
groups, comparison group may be different from the
intervention group, control of the intervention.
Characteristics to Randomized Control Trials Correct Answers
Randomization to treatment group, Control of the intervention.
Confirmed= Correct Answers All criteria are met.
Define a carrier? Correct Answers A person with inapparent
infection who is capable of transmitting the pathogen to others.
Define Attributable Risk Correct Answers The amount of
disease associated with a causative factor in a specified
population.
, Define Common Source Correct Answers attributed to a
specific source
Define Communicability of Disease? Correct Answers The
ability of a disease to be transmitted from one person to another
OR to spread through the population.
Define Herd Immunity? Correct Answers The resistance a
population has to the invasion and spread of an infectious
disease.
Define Mixed Epidemic Correct Answers Stats with a common
source and then spread by person-to-person contact.
Define Morbidity Correct Answers Morbidity rate is a measure
of the frequency of occurrence of disease or injury in a defined
population during a specified interval.
Define mortality Correct Answers 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 Correct Answers 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? Correct Answers The path by which a
pathogen leaves it's host.
