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10 Cards in this Set
- Front
- Back
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What is an infectious agent?
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Bacteria, virus, fungus, protozoa
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What is a reservoir?
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Where the organism lives and multiplies (mouth, skin, lesions, respiratory tract, body fluids,cells, inanimate objects, insects)
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What is a susceptible host?
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someone who does not have immunity
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What MUST be present for an infection to spread from one person to another? (chain of infection)
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1. A susceptible host
2. A causative agent sufficient to cause disease 3. A mode of transmission |
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What are sources of infectious diseases in dentistry?
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People, instruments, equipment, contaminated surfaces, water from tubing.
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What are different modes of transportation?
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Contact (direct/indirect)
Airborne Food-borne Vector-borne (insects) |
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What is another name for Standard Precautions?
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Universal Precautions
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Hepatitis A and E
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Not a primary concern in dentistry
Spread fecal-oral route Consumption of contaminated food or water Vaccine for HepA 85-90% recover completely HepE primarily found in middle east |
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Hepatitis B
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Inflammation of liver
Highly infectious No successful cure Easily killed or inactivated by sterilization and disinfection icteric-means jaundiced |
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Hepatitis C
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NO VACCINE!!!
Symptoms may take 20 years to appear No permanent cure |
