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24 terms

Micro Final BB Quiz

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A _____ is the presence of small numbers of bacteria in the blood.
bacteremia
A disease that has a steady frequency over time in a particular geographic location is
Endemic
Escherichia is resident biota of skin sites true or false
false
An animal, such as an arthropod, that transmits a pathogen from one host to another is a
Vector
An inanimate object that harbors and transmits a pathogen is a
fomite
An infectious agent already existing on or in the body are called
Endogenous
Animals that participate in the life cycles of pathogens and transmit pathogens from host to host are
Biological vectors
Diseases that cause long-term or permanent damage leave
Sequelae
Fomites, food and air serve as indirect transmission routes of pathogens.
True
Infections that go unnoticed because there are no symptoms are called
Asymptomatic
Latency is a dormant state of an infectious agent
True
Leukopenia is the _____ in the level of white blood cells in a patient.
decrease
Each of the following are inoculation of normal biota to a newborn
health care workers, birth canal, mother, bottle feeding, breast feeding.
Local edema, swollen lymph nodes, fever, soreness and abscesses are indications of
inflammation
Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?
phagocytosis
Septicemia means that a pathogen is present and multiplying in the blood.
True
Someone who inconspicuously harbors a pathogen and spreads it to others is a
carrier
The greatest number of pathogens enter the body through the
respiratory system
The initial, brief period of early, general symptoms such as fatigue and muscle aches is the
Prodromal stage
The study of the frequency and distribution of a disease in a defined population is
epidemiology
The time from when pathogen first enters the body and begins to multiply, until symptoms first appear is the
incubation period
The total number of deaths in a population due to a disease is the _____ rate.
mortality
When an infected person is in the incubation period, that person cannot transmit the pathogen to others.
False
_____ carriers are shedding and transmitting pathogen while they are recovering from an infectious disease.
convalescent