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endogenous healthcare related infection
pathogen arises from patient's normal flora, when some sort of treatment causes the normally harmless microbe to multiply and cause infection
stage between successful invasion of the pathogen into the body and the first appearance of symptoms
stage marked by the appearance of the signs and symptoms characteristic of the disease
stage during which the patient's immunes system and meds start to lower number of pathogens
outbreak of disease that suddenly affects a large group of people in a geographic region or in a defined population group
first line of defense; skin, respiratory tree, eyes, mouth, GI tract, genitourinary tract
process by which a set of blood proteins triggers the release of chemicals that attack the cell membranes of pathogens, causing them to rupture
process that begins when histamine and other chemicals are released either directly from damaged cells or from basophils in response to activation of complement
process by which the body's immune cells "learn" to recognize and destroy pathogens they have encountered before
naturally acquired active immunity
when the person is exposed to a live pathogen, develops the disease, and becomes immune as a result of the primary immune response.
artificially acquired active immunity
can be induced by a vaccine, a substance that contains the antigen
Artificially acquired passive immunity
a short-term immunization by the injection of antibodies, such as gamma globulin, that are not produced by the recipient's cells.
Naturally acquired passive immunity
occurs during pregnancy, in which certain antibodies are passed from the maternal into the fetal bloodstream
supplies and equipment that come in contact with intact skin but not mucous membranes
supplies and equipment that pose a high risk for infection if the are contaminated with any microorganisms
second tier of protection, outline precautions to be taken based on the mode of transmission of the infection
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