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21 Cards in this Set
- Front
- Back
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Any person, plant,animal substance or location that provides nourishment for microorganisms
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Reservoir
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Microorganisms present without host interference or interaction
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Colonization
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What is the difference between infection and infectious disease?
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Infectious disease is when the host displays a decline in wellness due to the infection
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Which microbiology report provides the most helpful information?
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Smear and Stain. It describes the mix of cells at the site.
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What are the two tiers of isolation precaution (CDC)?
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1st- Standard precautions
-Designed for all pt's 2nd- Transmission Based Precautions -Designed for known infected pt's |
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Which type of pressure for contaminated pt's rooms?
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Negative air pressure
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What does MRSA stand for?
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Methicillin resistant Staphylococcus Aureus
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What does a gram stain tell you?
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The source of the infection and appropriate antibiotic
Gram Positive cocci common with respiratory infections Gram Negative rods common with UT and intestinal infections |
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What is VRE and why is it highly transmittable?
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Vancomycin resistant Enterococcus
It is normal part of the flora It is bile resistant and able to withstand harsh anatomic sites (intestine) |
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What is the preferred solution for disinfection of an insertion site?
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Chlorhexidine Gluconate (CHG)
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Triple antibiotic ointment increases the colonization of what species?
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Candida
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A nonspecific chemical inhibitor that is secreted by body cells in response to viral invasion
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Interferon
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Examples of Non specific Natural defenses
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Culture
Anatomic, Mechanical, Chemical Tears -Saliva WBC Inflammatory Response- BV dilate Fever (Greater than 38.2 C or 101 F) |
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What is the normal range for WBC?
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5-10 thousand
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What is the difference between Agranulocytes and Granulocytes?
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Granulocytes contain granules of digestive enzymes
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At what age does the immune system become fully operational?
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6 months
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What is the common type of infection in early childhood?
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Respiratory tract infections
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What is the difference between an endotoxin and an exotoxin?
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An exotoxin is actively produced by the bacteria. An endotoxin is a part of the bacteria itself, and is not usually released until the immune system kills it.
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How does high cortisol raise susceptibility of infection?
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Increases serum glucose
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What is the incubation period?
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Period between the pathogen's entrance and appearance of symptoms
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What period completes the progress of an infection?
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Convalescent
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