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8 Cards in this Set
- Front
- Back
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Infection |
A condition that results in microorganisms (microbe for short) causing injury to the body |
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Microbes |
* Bacteria * Fungi * Protozoa * Viruses |
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Pathogen |
A microbe capable of causing disease |
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Communicable infections |
* Able to spread from person to person * CDC investigates and controls communicable diseases and epidemics |
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HAIs |
Healthcare-Associated Infections * Infections acquired in hospitals and other healthcare settings |
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Antibiotic resistant infections |
* MRSA methicillin-resistant Staphylococcus aureus * CLOSTRIDIUM DIFFICILE * Enterococcus |
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Chain of infection |
* Infectious agent - pathogenic microbe responsible for causing infection (also called causative agent) Ex.) Bacteria, fungus, protozoon, rickettsia, virus
* Reservoir - source of infectious agent, place where microbe can survive and grow Ex.) Human, animals, food, water, soil, equipment
* Exit Pathway - a way an infectious agent is able to leave a reservoir host Ex.) Secretions and exudates, tissue specimens, blood, feces, urine
* Means of transmission - Airborne - Direct contact (kissing, touching) - Indirect (contaminated objects) - Droplets (coughing, sneezing) - Vector (food, water, drugs)
* Entry Pathway - way an infectious agent enters a susceptible host Ex.) Body orifices, mucous membranes, and breaks in skin
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Susceptible host |
Someone with a decreased ability to resist infection Ex.) Elderly, newborn, immune status |
