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A _____ is the presence of small numbers of bacteria in the blood.


A disease that has a steady frequency over time in a particular geographic location is


Escherichia is resident biota of skin sites true or false


An animal, such as an arthropod, that transmits a pathogen from one host to another is a


An inanimate object that harbors and transmits a pathogen is a


An infectious agent already existing on or in the body are called


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


Fomites, food and air serve as indirect transmission routes of pathogens.


Infections that go unnoticed because there are no symptoms are called


Latency is a dormant state of an infectious agent


Leukopenia is the _____ in the level of white blood cells in a patient.


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


Once a microbe has entered a host, what process performed by certain white blood cells will attempt to destroy the microbes?


Septicemia means that a pathogen is present and multiplying in the blood.


Someone who inconspicuously harbors a pathogen and spreads it to others is a


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


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.


When an infected person is in the incubation period, that person cannot transmit the pathogen to others.


_____ carriers are shedding and transmitting pathogen while they are recovering from an infectious disease.


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