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15 Cards in this Set
- Front
- Back
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What differentiates S. pyogenes and S. aureus?
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S. aureus is catalase +
S. pyrogenes is catalase - |
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S. pyogenes is divided into 3 groups based on hemolytic ability.
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B hemolytic: lyse RBC
alpha: partially lyse RBC, leaving green discoloration gamma: non-hemolytic |
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Streptolysin O: O2 labile (only active in anaerobic environment, kills phagocytes)
Streptolysin S: O2 stable ASO test: can distinugish between O & S. |
S. pyogenes
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Extracellular enzymes found in s. pyogenes
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Streptokinase: lysese blood clots
Hyaluronidase: degrades capsul C5a peptidase DNAases |
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Scarlet fever
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S. pyogenes
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Direct invasion that causes:
Pharyngitis "Mom, my throat hurts." Tonsillitis Skin/wound infection "Mom, my throat hurts & my skin is disintegrating." |
S. pyogenes
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Toxin mediated disease caused by s. pyogenes
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Scarlet fever "Mom, my body is turning scarlet."
TSS-like syndrome |
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Delayed immunologic reaction (no bacteria)
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Rheumatic fever
Glomerulonephritis: disorder that deposits antigen-Ab complex in kidney |
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Pneumolysin, cytotoxin that forms pores in cell, slows ciliary beating, encoded on lysogenic phage
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S. pneumoniae
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Image of Doctor shooting a hole through the warrior with the antibody tipped pneumovax
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S. pneumoniae
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Most frequent cause of meningitis caused by?
"Warrior is smashing enemy's head with hammer." |
S. pneumoniae
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Penumococcol warrior
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S. pneumoniae
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Pneumococcol warrior's lance zips th rough ears of an enemy soldier.
Otis media |
S. pneumoniae
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What is the vaccine for S. penumoniae
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Pneumovax
Prevnar for kids |
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Difference btw S. pneunomiae and S. pyogenes
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S. pneumoniae is bacitracin resistant
S. pyogenes is bacitracin sensitive |
