ATI module: Epidemiology
Questions with Accurate Answers
Define a epidemiologic triangle correct answer demonstrates the relationship
between an agent (e.g., an infectious organism), a susceptible host, and the
environment that supports the agent and where the host and agent interact
Define case fatality correct answer The number of deaths from a specific cause
divided by the number of people who have that disease; this number is expressed
as a percentage and, thus, is not a rate.
Define determinants of health correct answer risk factors for contracting illnesses
or injuries and include biological elements such as age, sex, genetics, or social
influences such as level of education, income, and insurance.
Define epidemiology correct answer The study of the frequency and distribution
of disease or health-altering events in specific groups of people in order to
prevent, mitigate, or halt health problems.
Define infectious diseases correct answer Diseases or illnesses caused by a
microorganism
(ex: bacteria, fungus, virus).
Define notifiable diseases correct answer A list of diseases and conditions that
individual states voluntarily report to the CDC.
Define period prevalence correct answer The prevalence of a disease during a
specified time span.
, Ex: "Have you had hypertension in the last 10 years?"
Define point prevalence correct answer The prevalence of a disease at a given
point in time.
Ex: "Do you have asthma now?"
Define reportable diseases correct answer A list of diseases and conditions that
health care professionals, laboratories, hospitals, and providers are mandated by
state or territory law to report to the public health department.
Define Surveillance correct answer A systematic process for collecting, analyzing,
interpreting, and disseminating data to public health programs to initiate and
maintain public health action.
Define the chain of infection correct answer 1. Infectious agent (Bacteria)
2. Reservoir (Human host)
3. Portal of exit (Sneezing, coughing)
4. Mode of transmission (Pencil)
5. Portal of entry (Touching pencil, then face)
Questions with Accurate Answers
Define a epidemiologic triangle correct answer demonstrates the relationship
between an agent (e.g., an infectious organism), a susceptible host, and the
environment that supports the agent and where the host and agent interact
Define case fatality correct answer The number of deaths from a specific cause
divided by the number of people who have that disease; this number is expressed
as a percentage and, thus, is not a rate.
Define determinants of health correct answer risk factors for contracting illnesses
or injuries and include biological elements such as age, sex, genetics, or social
influences such as level of education, income, and insurance.
Define epidemiology correct answer The study of the frequency and distribution
of disease or health-altering events in specific groups of people in order to
prevent, mitigate, or halt health problems.
Define infectious diseases correct answer Diseases or illnesses caused by a
microorganism
(ex: bacteria, fungus, virus).
Define notifiable diseases correct answer A list of diseases and conditions that
individual states voluntarily report to the CDC.
Define period prevalence correct answer The prevalence of a disease during a
specified time span.
, Ex: "Have you had hypertension in the last 10 years?"
Define point prevalence correct answer The prevalence of a disease at a given
point in time.
Ex: "Do you have asthma now?"
Define reportable diseases correct answer A list of diseases and conditions that
health care professionals, laboratories, hospitals, and providers are mandated by
state or territory law to report to the public health department.
Define Surveillance correct answer A systematic process for collecting, analyzing,
interpreting, and disseminating data to public health programs to initiate and
maintain public health action.
Define the chain of infection correct answer 1. Infectious agent (Bacteria)
2. Reservoir (Human host)
3. Portal of exit (Sneezing, coughing)
4. Mode of transmission (Pencil)
5. Portal of entry (Touching pencil, then face)
