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Microbiology
Set 2
30
Biology
Professional
08/11/2009

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Cards

Term
Fomites
Definition
Inanimate objects which are freshly contaminated with secretions or excretions from an infected person or carrier 
Term
Interferon
Definition
An antiviral protein produced by cells infected with a virus and by T cells lymphocytes
Term
Heparin
Definition
A chemical that helps prevent abnormal blood clotting
Term
Histamine
Definition
A chemical that makes capillaries more permeable 
Term
Macrophage
Definition
Type of white blood cell that engulfs foreign particles 
Term
Opportunistic Microorganisms
Definition
Microorganisms that do not normally invade tissue but that are capable of causing infection or disease when introduced mechanically or when host resistance is lowered
Term
Antigen
Definition
A substance which induces the formation of antibodies; may be introduced into the body or formed within the body 
Term
Antibody 
Definition
Protein substance developed by the body in response to the presence of an antigen that counteracts the antigen 
Term
Toxins 
Definition
A substance that is harmful to cells
Term
Disease
Definition
Specific illness or disorder characterized by a recognizable set of signs and symptoms and attributed to heredity, infection, diet or environment
Term

Sexually Transmitted Disease 

STD 

Definition
Disease acquired as a result of sexual intercourse with an infected individual 
Term
Droplets
Definition
Very small masses of liquid carried in a spray from the nose or mouth which fall to surfaces upon expiration as liquid which are not really inhaled
Term
Carriers
Definition
Persons who harbor pathogens without being sick themselves and who shed organisms into the environment 
Term
Sputum
Definition
Substance expelled by coughing or clearing the throat 
Term
Exotoxins
Definition
Bacterial toxins which diffuse from bacterial cells into surrounding medium
Term
Endotoxins
Definition
Bacterial toxins which are liberated only when the bacterial cell is destroyed
Term
Medium
Definition
Agent through which microorganisms are transmitted 
Term
Droplet nuclei
Definition
Very small masses of liquid carried in a spray from the nose or mouth which evaporate before settling and remaining suspended in the air 
Term
Contamination
Definition
Transmissions of microorganisms from person to person or from object to person and vice versa
Term
Decontamination
Definition
The process of removing organisms from articles, rooms and linen after their use to make safe to handle; may involve terminal sterlization
Term
Terminal Sterilization
Definition
Process of sterilizing articles after they have been used and before putting them into circulation again 
Term
Standard precautions
Definition
Guidelines recommended by the Centers for Disease control to prevent the transmission of bloodborne pathogens
Term
Immune
Definition
Not susceptible or responsive to a disease or having high degree of resistance to a disease 
Term
Lymphocytes
Definition
Type of white blood cell that assists in immunity; include T cells and B cells
Term
Vaccination
Definition
Inoculation with a vaccine
Term
Vaccine
Definition
Suspense of infectious agents given to establish resistance to an infectious disease
Term
Immunization
Definition
Process of rendering a patients immune
Term
Antitoxin
Definition
An antibody capable of neutralizing a specific toxin 
Term
Allergen
Definition
Any substance that brings on the manifestations of an allergy
Term
Allergy
Definition
Abnormal hypersensitivity by an individual to one or more substances
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