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40 Cards in this Set
- Front
- Back
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The formation of a population of microorganisms in the host that does not cause disease... |
Colonization |
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Where does colonization begin? |
Birth canal and continues throughout life |
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What area of the body should normally be stable? |
Womb |
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When does colonization begin? |
once we leave womb |
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Is the baby exposed to more microbes in a vaginal or c-section mode of birth? |
c-section |
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Are formula or breast fed infants exposed to more microbes? |
breast fed |
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When does recolonization occur? |
After antibiotic use |
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These are organisms present in the absence of disease? |
Normal Flora |
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These reside on a host but don't cause symptoms... |
Pathogenic Flora |
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What region of the body is candida spp. found in? |
Skin |
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What region of the body is staphylococcus spp.? |
Skin |
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What region of the body is clostridium spp. found in? |
Skin |
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What area of the body is streptococcus found in? |
mouth |
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What region of the body is is colonized by streptococci? |
Respiratory tract |
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What promotes healthy digestion and provides the host with nutrients? |
Commensals |
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What type of bacteria is found in women in the child bearing years? |
lactobacill |
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What type of bacteria are found in women in the pre puberty and post menopause years? |
Yeast, gram neg. bacilii, gram pos cocci |
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What is the first line of defense against pathogenic microbes? |
Physical barriers |
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These type of cells are ciliated and sweep away germs.. |
mucosal cells |
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These type of cells secrete mucus, trap bacteria before they reach outer surface of cells and lubricate cells to prevent damage |
Goblet cells |
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What type of lysins are secreted by platelets? |
B-lysins |
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What is produced by activated neutrophils during inflammation |
Lactoferrin |
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What effects the growth of gram positive bacteria? |
lactoferrin |
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What has the ability to bind to free iron? |
Lactoferrin |
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This type of immunity is not specific, no stimulation, and has an immediate response... |
Innate Immunity |
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This type of immunity is non clonal |
Innate immunity |
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This type of immunity is very specific and requires stimulation by antigen presenting cells and has a delayed response... |
Adaptive immunity |
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What type of immunity targets pathogens specifically? |
(Adaptive immunity) antibody response |
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This route of transmission has respiratory secretions aerosolized by coughing, sneezing and talking... |
Airborne transmission |
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What route of transmission can cause GI problems? |
Transmission food and water |
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What type of infection can happen if bacteria is ingested and toxins are produced inside the host or ingesting preformed toxins? |
GI infection |
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What route of transmission can pass organisms through the salivary, skin or genital contact... |
Close contact |
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What route of transmission can happen if the host is infected with rabies or pasteurella sp.? |
cuts and bites |
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What route of transmission can happen with the bite of a tick, flea, mite, louse... |
arthropod or vector |
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What route of transmission can happen with wild animal contact? |
zoonoses |
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What is recognized to cause disease in a earthy immunocompetenet individual...and this person has a fully functioning immune system... |
pathogen |
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condition caused by a medical intervention |
iatrogenic infection |
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What is the degree of pathology caused by an organism and this helps the pathogen multiply within the body and helps it cause disease |
virulence factor -elicits an immune response |
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This type of antigen is streptococci and causes a non. specific activation of t-cells... |
superantigen |
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This activates T-cells directly |
mitogens |
