Term
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Definition
| inanimate vehicles other than food, milk, water, and air that may harbor or be the means of transmission of organisms. |
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Term
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Definition
| an invasion of body tissue by micro-organisms and their proliferation there. |
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Term
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Definition
| able to be spread from person to person. |
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Term
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Definition
| the time interval between exposure to the infection and the appearance of the first symptoms |
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Term
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Definition
the superimposing of a second infection on a patient already suffering from
an infectious disease. |
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Term
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Definition
| continuous, day-by-day disinfection immediately after discharge of infectious material from body of infected person (most important). |
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Term
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Definition
sudden growth of organism different from the original offender in a wound
or infection already under treatment; is usually resistant to the current treatment. |
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Term
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Definition
infection in a person with a suppressed immune system caused
by organisms that usually do not cause disease in persons with healthy immune systems. |
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Term
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Definition
single-cell microorganisms, classified according to shape: cocci (spherical), bacilli
(rod shaped), and spirilla (spiral-shape). They may also be encapsulated, motile or nonmotile.
They can cause a variety of infectious diseases in humans. |
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Term
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Definition
microorganisms which are on the surface of skin or articles and can be
easily removed by washing. |
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Term
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Definition
microorganisms which are imbedded in the dermis and epidermis and
are not readily removed by hand washing. |
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Term
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Definition
| the smallest known organism. Viruses are made up of an RNA or DNA nucleus covered with proteins. No cell wall. Can cause a variety of infectious diseases in humans. |
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Term
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Definition
a generalized systemic and frequently fatal reaction occurring
suddenly after administration of foreign sera or drugs, bee sting, or other antigens. |
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Term
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Definition
| infection acquired while in a health care facility. |
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Term
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Definition
immediate, aggressive response by the body to the injury or
potential destruction of its cells and tissues - is the body's most important and common defense mechanism at the local tissue level. |
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Term
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Definition
| human or animal who harbors and eliminates organisms causing a specific disease although he/she gives no evidence of having the disease. |
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Term
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Definition
| death of a cell or group of cells as a result of injury, disease, or infection. |
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Term
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Definition
| produced in inflammatory process by phagocytosis; is a thick fluid composed of necrotic and viable polymorphonuclear leukocytes along with necrotic tissue debris. |
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Term
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Definition
| a localized collection of pus in a cavity formed by the disintegration of tissue. Usually caused by microorganisms that do not spread throughout the body. |
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Term
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Definition
| diffuse inflammation of soft tissues characterized by edema, redness, pain, and interference with function; usually caused by infection. |
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Term
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Definition
| removal of all foreign material and aseptic excision of all contaminated and devitalized tissues. |
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Term
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Definition
process of rendering personal clothing and immediate physical
environment of patient free of infectious organisms after the patient is no longer infectious. |
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Term
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Definition
| an animal or insect that transfers an infective agent from one host to another (i.e., dogs, bats, mosquitoes). |
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Term
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Definition
| ability of an organism to cause disease. |
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Term
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Definition
susceptibility of an organism to the amount or level of antibiotic produced
in the blood by usual doses of the antibiotic. (done in laboratory) |
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Term
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Definition
| these agents occur as yeast or molds in humans, fungal diseases are called mycoses. |
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Term
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Definition
| a disease that remains present in a given population or geographic area. Examples include the common cold and sexually transmitted disease. |
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Term
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Definition
a disease occurring at a level that is higher than normal for a given population or
geographic area. |
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Term
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Definition
| a disease that affects the majority of a given population, or one that is epidemic in many different populations or geographical areas. |
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Term
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Definition
| the number or rate of occurrence of new cases of a particular disease in a specified population over a specified period of time. |
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Term
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Definition
| the number of cases (new or old) of a particular disease in a specified population at a given time. |
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Term
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Definition
| the proportion of persons with a particular disease during a specific year per given unit of population. Also used as a general term indicating a diseased condition or state. |
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Term
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Definition
| all deaths reported in a specified population. |
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