How do we get enteric infections? Correct Answer Enter the
body through mouth and intestinal tract (e.g., Hep A).
How do we get Food-borne infections? Correct Answer
Ingestion of contaminated food (e.g., botulism, E-Coli,
Listeriosis).
How do we get parasitic diseases? Correct Answer Often result
from contaminated water, and sometimes person-to-person
through fecal transmission.
How is crude mortality rate calculated? Correct Answer - # of
deaths from a certain disease during a specific time period ÷ #of
cases of that disease occuring within the same specified time
period
How is incidence rate calculated? Correct Answer -# of new
cases of given disease in a population during a specified time
period ÷ average total population within the same specified time
period
How is infant death rate calculated? Correct Answer -total
deaths of infants in a population during a specified time period ÷
total #of live birth occuring within the same specified time
period
How is prevalence rate calculated? Correct Answer -# of
people with given disease in given population at one point in
time ÷total in given population at the same point in time
, How is relative risk rate calculated? Correct Answer -
incidence rate of disease in exposed population ÷ incidence of
disease in unexposed population
How is specific mortality rate calculated? Correct Answer -
total deaths from a specific cause during a specified time period
in a population (subgroup) ÷ average # of population (subgroup)
within the same specified time period
In what year was 60% of the world's population at risk for
contracting smallpox? Correct Answer 1967
In what year was the world declared smallpox free? Correct
Answer 1990
Name 2 examples of blood-borne infections Correct Answer
HIV, TB
TB is 270 times higher in Canadian Inuit population than the
general population. Why? Correct Answer - Substandard
housing (overcrowded & poorly ventilated)
- Poor nutrition
- Underlying diabetes and HIV
- Limited access to health services
What are communicable diseases? Correct Answer Illnesses
causes by a specific infectious agent, or its toxic products, that
arise through transmission ... from an infected person, animal, or
inanimate source to a susceptible host, either directly or
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