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Related Flashcards
Cards In This Set
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What is the difference between resident and transient microflora?
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Resident microlflora are with us forever, transient are microbes we pick up in the environment and can be eliminated
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Opportunist Pathogens
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Cause a disease under certain circumstances
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Symbiosis
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2 kinds of organisms living together (Host & Microbe)
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Where are the normal microflora typically found?
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Skin, Upper respiratory tract, GI tract, and vagina
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Where are normal microflora not found
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Blood, urine, eyes, lower respiratory tract, brain, spinal fluid, bone, and muscle.
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What is the most common microflora found on the skin?
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Staphylococcus epidermidis
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What are two opportunist pathogens found on the skin and what do they cause?
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1. Stephylococcus aureus- Infections in wounds
2. Propionibacteriem acnes- Acne |
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What are the advantages and disadvantages of having micro flora on the skin?
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Advantages- provide competition for pathogens
Disadvantages- opportunistic diseases, and body odor |
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What are three of the micro flora that are found in the upper respiratory tract and what do they do?
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Steptococcus mutans- cavities
S.mitic, S. salivarius - lactic acid that erodes tooth enamel |
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What are the advantages and disadvantages of having micro flora in the upper respiratory tract?
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Advantages- Provide competition for pathogens
Disadvantages- cavities, gum disease, and bad breath |
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What are the advantages and disadvantages of having micro flora in the GI tract?
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Advantages- competition for pathogens & produce vitamin K and Vitamin B
Disadvantages- Cause Gas, and opportunist disease (krones disease) |
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What are the Most common micro flora found in the GI tract?
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Coliforms (e.coli), Bifidobacterium- whats in yogurt, bacteriodes.
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What types of micro flora are typically found in the vagina?
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Specialized microbes due to lack of nutrients:
-Yeast & lactic acid bacteria |
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What are the advantages and disadvantages of having these microbes in the vagina?
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Advantage- competition for pathogens
Disadvantage- opportunist disease, yeast canturn into a yeast infection |
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What are direct modes of transmission??
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Droplets- expelled from respiratory tract
Body Contact |
