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NYS Infection Control test(41 questions with solutions).
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NYS Infection Control test(41 questions with solutions).
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NYS Infection Controltest(41 questions with
solutions)
Pathogen
disease-producing microorganism
transmission
any mechanism by which a pathogen is spread by a source or reservoir to a
host
reservoir
Any person, animal, plant, soil or substance in which an infectious agent
normally lives and multiplies
The infectious agent depends on the reservoir for survival, and the reservoir
must provide a place where it can reproduce itself in such a manner that it can
be transmitted to a susceptible host
susceptibility
defined as the inability of a host to resist infection with a particular pathogen
common vehicle
Contaminated material, product, or substance that serves as a mode of
transmission by which an infectious agent is transported to multiple
susceptible hosts.
, Colonization
when an organism is present without host interference or interaction, like skin
flora
host
An organism in which another organism can live and potentially multiply
incubation period
the time between the beginning of an infection and recognition of symptoms
latency
the time after primary infection during which the microorganism lives within
the host without producing clinical evidence
direct contact transmission
person to person transmission
indirect contact transmission
spreads to a host by a nonliving object called a fomite;
Fomites can survive on objects and surfaces for a long time and be a potential
source of infection for weeks and months, e.g., fomites containing norovirus
and Clostridium difficile
droplet contact transmission
large particles from coughing, sneezing, or talking
droplets move through air, but due to their size and limited time being
airborne, they quickly settle on environmental surfaces and are spread by
contact
ex. influenza
droplet nuclei
residue of evaporated droplets that remain suspended in the air
ex. Mycobacterium tuberculosis and Varicella
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