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38 Cards in this Set
- Front
- Back
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Types of G- Bacilli
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Enteric
Pulmonary Animal Source |
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Bacteria not readily stained with Gram
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Mycobacteria (Acid Fast)
Mycoplasma (No cell wall) Teponema and Leptospira (not visible with gram) Chlamydia and Rickettsia (not stained with Gram-intracellular bacteria) |
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Anaerobic Bacteria traits
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many use Nitrogen as final acceptor
catalase activity is minimal or absent growth in atmosphere with less than 20% oxygen |
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catalase
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used to break down hydrogen peroxide present during aerobic respiration
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clostridium traits
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anaerobic, rod shaped, gram +
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anaerobic, rod shaped, gram - bacteria
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none
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actinomyces, lactobacillus, eubacteria traits
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anaerobic, rod shaped, non spore forming, gram +
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bacteroides, fusobacteria traits
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anaerobic, rod shaped, non spore forming, gram -
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streptococcus, peptococcus traits
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anaerobic, cocci shaped, gram +
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veillonella traits
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anaerobic, cocci shaped, gram -
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clinical manifestations of anaerobic bacteria
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part of the normal flora
abcesses - brain, lungs, female genital tract, biliary tract |
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anaerobic bacteria non pathogenic in natural site but pathogenic in other sites
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clostridium botulinum
clostridium tetani clostridium perfringens |
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Staphylococcus aureus traits
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aerobic, gram +, penicillin resistant
most important cause of hospital acquired pneumonia, septicemia, and surgical infections |
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causes of staphylococcus aureus
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abcesses, pyogenic infections, food poisoning, scalded skin syndrome, toxic shock, foliculitis
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MRSA
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metacillin resistent staphylococcus aureus
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VRSA
VISA |
complete resistance to vancomycin
intermediate resistance to vancomycin |
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staphylococcus epidermidis associated with
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heart infection, major part of skin flora, can be transferred through a picc line
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staphylococcus saprophyticus associated with
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urinary infection, normal flora in genital tract
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staphyloxantine
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yellow pigment in s. aureus that numbs WBC's
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catalase
staphylococcus - streptococcus - |
catalase +
catalase - |
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coagulase
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creates blood clot around bacteria and body can't recognize it
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coagulase
s. aureus - s. saprophyticus - s. epidermidis - |
coagulase +
coagulase - coagulase - |
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prevention of s. aureus
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no vaccine
cleanliness intranasal antibiotics for carriers |
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streptococcus pyogenes
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pharingitis and heart infection
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catalase and streptococcus
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catalase - , anaerobic
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hemolysis appearance
alpha hemolysis - beta hemolysis - gamma hemolysis - |
green zone
clear halo - destroy RBC's no hemolysis |
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septicemia
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growth of bacteria in the blood stream
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pharingitis (strep throat) and hemolysis
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beta hemolysis
group A |
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enterococci and hemolysis
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beta hemolysis
group D |
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non beta hemolytic and manifestations
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streptococcus pneumoniae-pneumonia
streptococcus mutans - dental decay |
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streptococcus transmission
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part of natural flora, cause disease when reaches the blood and tissues
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post streptococcal disease and examples
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production of antibodies against strep proteins (m protein) can cross react with tissue
rheumatic fever - heart and joints glomerulonephytis-kidney inflammation |
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streptococcus pneumoniae traits
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major cause of pneumonia
alpha hemolysis capsule is a virulence fator |
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treatment and prevention of streptococcus pneumoniae
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penicillin, steptomycin
vaccine (5 years) |
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neisseria meningitides traits
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gram -, only in humans, from saliva, capsule, LPS, enzymes
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treatment and prevention of neisseria meningitides
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penicillin G
vaccine |
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neisseria gonorrhoeae traits
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only in humans, gram -, sexually transmitted, symptomatic in men:
uretritis, purulent discharge, oropharynx, rectal infections, pelvic disease |
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treatment and prevention of neisseria gonorrhoeae
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penicillin
condom |
