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26 Cards in this Set
- Front
- Back
- 3rd side (hint)
Causes Lockjaw
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C tetani - blocks the release of glycine (an inhibitory neutrotransmitter).
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Floppy Baby, spores found in canned food, honey
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C botulinum - blocks release of acetylcholine --> anticholinergic symptoms. CNS paralysis esp cranial nerves
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cleaves host cell rRNA, enhances cytokine release, cause HUS
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Shigella produces Shiga toxin (also by EHEC O157:H7).
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1 toxin in the toxin complex is an adenylate cyclase
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Bacillus anthracis
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Rheumatic fever followed this bug's infection
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Strep pyogenese
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Streptolysin O is a hemolysin -> ASO antibody.
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Color of pigment produced by Staph Aureus
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Yellow
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Aureus = gold (Latin)
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Leading cause of death from in children in US
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N. meningitidis
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Treatment of N menigitidis
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Penicillin G
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gram-negative diplococci kidney-bean shape
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N gonorrhoeae
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Neisseria species with a prominent polysaccharide capsule
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N. menigitidis
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Portal of entry for N. meningitidis
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Respiratory tract
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Hence can also cause pneumonia
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T or F Neisseria is oxidase positive
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True - possess cytochrome c
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Commonly used as chemoprophylaxis for meningococcal
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Rifampin or Ciprofloxacin
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T/F gonorrhea is usually more symptomatic in women more than men
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False -
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3 classic encapsulated pyogenic bacteria
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Strep pneumoniae, H influenzae, and N meningtidis
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T/F Strep is catalase - positive
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False - Strep is catalase - negative
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T/F Staph is catalase - positive
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True
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2 most common clinical entities associated with Klebsella and Serratia
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UTI and Pneumonia
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What color is S. aureus's pigments?
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Yellow
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What color is Psedomonas Aeruginosa's pigments
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Blue-green
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gram -, non-lactose fermenting
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Pseudomonads vs. enterobacteriaceae. Which one is strict aerobes?
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Pseudomonads
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strict aerobes --> do NOT ferment.
oxidation --> oxidase positive. |
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Produces green pigments - causes nosocomial infections, esp ecially in burn patients and CF patients - also cause endocarditis in IV drug users
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Pseudomonads aeruginosa
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If pseudomonads aruginosae spreads to the skin, what can it cause
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ecthyma gangrenosum
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a black, necrotic lesion
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4 characteristics of enterobacteriacea
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1. ferment lactose 2. oxidase - negative 3. facultative anarobes 4. reduces nitrates to nitrites
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Treatment of P. aerugonsa
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TMP-SMX - but the bug is resistant to many. Can also treat with penicillin + aminoglycoside.
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Treatment of N. gonorrhea
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Penicillin or Ceftriaxone (3rd generation cephalosporin)
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