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Practice questions for this set
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A disease that must be reported to public health authorities by law.
Choose an answer
What is the difference between
1 What is a notifiable disease? 2
incidence and prevalence?
What was the probable cause of AIDS
3 4 What is the epidemiologic triangle?
identified in 1983?
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Terms in this set (57)
What is the difference between Incidence refers to the number of new cases in a
incidence and prevalence? specific time period, while prevalence refers to the
total number of cases at a given time.
What does risk mean in Risk refers to the probability of an event occurring,
epidemiology? such as developing a disease.
, What is morbidity? Morbidity refers to the state of being diseased or
unhealthy.
What is mortality? Mortality refers to the state of being subject to death.
What is the epidemiologic triangle? The epidemiologic triangle is a model that describes
the interaction between the agent, host, and
environment in the spread of disease.
How can vaccination prevent disease Vaccination can prevent disease transmission by
transmission? immunizing the host against pathogens.
What is the natural history of a The natural history of a disease refers to the
disease? progression of a disease in an individual over time,
from onset to resolution.
What were the key factors in the Key factors included identifying affected
outbreak investigation at the populations, understanding transmission routes, and
beginning of the AIDS epidemic? recognizing early symptoms.
What were the AIDS-defining illnesses Pneumocystis pneumonia and Kaposi's sarcoma.
first identified?
Where were most of the first AIDS Los Angeles and New York.
cases identified in the US?
What type of surveillance was used Active surveillance.
early in the AIDS epidemic?
Who were the primary groups at risk Homosexual men, intravenous drug users, and those
during the early AIDS epidemic? with hemophilia.
What was the probable cause of AIDS HIV.
identified in 1983?
What effect does HIV have on the HIV attacks CD4 (T-helper) cells, weakening the
immune system? immune response.