POPULATION-BASED NURSING EXAM 2 FULL
REVISION NOTES WITH EPIDEMIOLOGY AND
PUBLIC HEALTH CONCEPTS
◉ Epidemiology Triangle.
Answer:
◉ Host Characteristics:
Genetic Susceptibility.
Answer: Including twin studies, provides robust evidence that
genetic variation in human populations contributes to susceptibility
to infectious disease.
◉ Host Characteristics:
Immutable Characteristics.
Answer: Any sort of physical attribute which is perceived as being
unchangeable, entrenched and innate
Example: Age, gender, and race
,◉ Host Characteristics:
Life Style Factors.
Answer: Work, environment, socioeconomic status, exercise
◉ Environment.
Answer: Climate
Flora and Fauna
Population Density
Socioeconomic Factors
◉ Agents:
Infectivity.
Answer: The ability of a pathogen to establish an infection.
◉ Agents:
Pathogenicity.
Answer: The ability of an organism to cause disease. This ability
represents a genetic component of the pathogen and the overt
damage done to the host is a property of the host-pathogen
interactions.
, ◉ Agents:
Virulence.
Answer: Refers to the degree of damage caused by a microbe to its
host.
◉ Agents:
Invasiveness.
Answer: How much of the population who actually manifests the
disease.
◉ Agents:
Chemical.
Answer:
◉ Agents:
Biological.
Answer:
REVISION NOTES WITH EPIDEMIOLOGY AND
PUBLIC HEALTH CONCEPTS
◉ Epidemiology Triangle.
Answer:
◉ Host Characteristics:
Genetic Susceptibility.
Answer: Including twin studies, provides robust evidence that
genetic variation in human populations contributes to susceptibility
to infectious disease.
◉ Host Characteristics:
Immutable Characteristics.
Answer: Any sort of physical attribute which is perceived as being
unchangeable, entrenched and innate
Example: Age, gender, and race
,◉ Host Characteristics:
Life Style Factors.
Answer: Work, environment, socioeconomic status, exercise
◉ Environment.
Answer: Climate
Flora and Fauna
Population Density
Socioeconomic Factors
◉ Agents:
Infectivity.
Answer: The ability of a pathogen to establish an infection.
◉ Agents:
Pathogenicity.
Answer: The ability of an organism to cause disease. This ability
represents a genetic component of the pathogen and the overt
damage done to the host is a property of the host-pathogen
interactions.
, ◉ Agents:
Virulence.
Answer: Refers to the degree of damage caused by a microbe to its
host.
◉ Agents:
Invasiveness.
Answer: How much of the population who actually manifests the
disease.
◉ Agents:
Chemical.
Answer:
◉ Agents:
Biological.
Answer:
