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10 Cards in this Set

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Germicides
Agents that destroy pathogenic organisms
Antiseptics
Substances that inhibit the growth of microorganisms on living tissue
e.g., alcohol and povidoneiodine solution [Betadine].
Vectors
Animals or insects that transmit the causative organisms of disease.
e.g., ticks
Spores
A thick-walled, dormant form of bacteria that is very resistant to disinfection measures.
Remission
The partial or complete disappearance of the clinical and subjective characteristics of a chronic or malignant disease.
The Chain Of Infection
Reservoir host
• Second link in chain of infection
• May be people, insects, animals, water, food, or contaminated instruments.
• Must gain entrance in a host or else will die.
• Reservoir host nutrition supplies for the organism, allowing it to multiply.
Disinfection
• The process of killing pathogenic organisms or of rendering them inactive.
• Not always effective against spores, the tuberculosis bacilli, and certain viruses.
• Very difficult to verify, because no convenient indicators ensure destruction of organisms.
Sterilization
The destruction of all microorganisms
Essential for surgical asepsis
Asepsis
Freedom from infection or infectious material.