Microbiology > Specific Organisms > Flashcards

Specific Organisms Flashcards

(13 cards)

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1
Q

GROUP A STREP

  • Species
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

GROUP A STREP

  • Species: S.pyogenes
  • Metabolism: Catalase (-), B-hemolytic
  • Virulence: M-protein
  • Toxins: Pyrogenic, TSS toxin
  • Diseases: Pharyngitis, Folliculitis, Impetigo, Necro. fasciitis, Scarlet fever, TSS, Rheum. fever, Glomerulonephritis
  • Treatment: Penicillin G, Pen. V, Erthyromycin
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2
Q

GROUP B STREP

  • Species
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

GROUP B STREP

  • Species: S.algalactiae
  • Metabolism: Catalase (-), B-hemolytic
  • Virulence
  • Toxins
  • Diseases: Neonatal meningitis, neonatal pneumoniae, sepsis
  • Treatment: Penicillin G
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3
Q

VIRIDANS GROUP

  • Species
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

VIRIDANS GROUP

  • Species: S.viridans, S.mutans, S.intermedius, S.anginosus
  • Metabolism: Catalase (-), A or G-hemolytic
  • Virulence: Ext. dextran
  • Toxins
  • Diseases: Subacute bact. endocarditis, Dental carries, Brain or Liver abscess
  • Treatment: Penicillin G
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4
Q

GROUP D STREP

  • Species
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

GROUP D STREP

  • Species: Enterococcus faecalis, E.faecium, S.bovis
  • Metabolism: Catalase (-), A or G-hemolytic
  • Virulence: Ext Dextran
  • Toxins
  • Diseases: UTI, Biliary tract infections, SBE, colon malignancies
  • Treatment: Ampicilin, emerging resistance to Vancomycin
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5
Q

STREPTOCOCCUS PNEUMONIAE

  • Species
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

STREPTOCOCCUS PNEUMONIAE

  • Species: S.pneumoniae
  • Metabolism: Catalase (-), A hemolytic
  • Virulence: Capsule
  • Toxins
  • Diseases: Pneumonia, Meningitis, Sepsis, Otitis media in children
  • Treatment: Penicillin G, Erythromycin, Ceftriaxone, Pneumo vaccine
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6
Q

NEISSERIA GONORRHEA

  • Glucose fermentation
  • Maltose fermentation
  • Polysaccharide capsule
  • Beta-lactamase production
  • Oxidase
A

NEISSERIA GONORRHEA

  • Glucose fermentation (+)
  • Maltose fermentation (-)
  • Polysaccharide capsule (-)
  • Beta-lactamase production (Common)
  • Oxidase (+)
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7
Q

NEISSERIA MENINGITIDIS

  • Glucose fermentation
  • Maltose fermentation
  • Polysaccharide capsule
  • Beta-lactamase production
  • Oxidase
A

NEISSERIA MENINGITIDIS

  • Glucose fermentation (+)
  • Maltose fermentation (+)
  • Polysaccharide capsule (+)
  • Beta-lactamase production (None)
  • Oxidase (+)
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8
Q

E. COLI

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

E. COLI

  • Reservoir: Humans-GI & Urinary Tract
  • Transmission: Fecal-oral, urethra, catheters
  • Metabolism: Lac(+), B-hemolytic
  • Virulence: Pili, Capsule (K-Ag), Flagella (H-Ag)
  • Toxins: Enterotoxins-LT, ST, Shiga-like (verotoxin)
  • Diseases:Neonatal meningitis, UTI, nosocomial sepsis, pneumonia, diarrhea
  • TreatmentCephalosporins, Aminoglycosides, Trimethoprim, & Sulfamethoxazole, Fluorquinolones
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9
Q

KLEBSIELLA

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

KLEBSIELLA

  • Reservoir
  • Transmission
  • Metabolism: Lac (+)
  • Virulence: Capsule
  • Toxins
  • Diseases: Pneumonia, nosocomial UTI & sepsis
  • Treatment: 3rd gen Cephalosporins, Ciprofloxacin
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10
Q

SHIGELLA

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

SHIGELLA

  • Reservoir: Humans
  • Transmission: Fecal-oral
  • Metabolism: Lac(-), No H2S
  • Virulence: Non-motile
  • Toxins: Shiga toxin
  • Diseases: Bloody diarrhea
  • Treatment: Fluoroquinolones, Azithromycin, Trimeth. & Sulfamethox.
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11
Q

SALMONELLA

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

SALMONELLA

  • Reservoir: S.typhi -Humans; other grps. zoonotic
  • Transmission: S.typhi -Fecal-oral
  • Metabolism: Lac(-), Produces H2S
  • Virulence: Capsule (Vi-Ag), Flagella (H-Ag)
  • Toxins
  • Diseases:Enteric Fever, sepsis, gastroenteritis, osteomyelitis
  • Treatment: Ciprofloxacin, Ceftriaxone, Trimeth & Sulfamethox., Azithromycin
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12
Q

VIBRIO

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

VIBRIO

  • Reservoir
  • Transmission: Fecal-oral
  • Metabolism: Lac(-), Oxidase (+)
  • Virulence: Pili, Flagella (H-Ag)
  • Toxins: Choleragen (enterotoxin): like LT of E.coli
  • Diseases: Cholera: severe diarrhea with rice water stools
  • Treatment: Replace fluids, Doxycycline, Fluoroquinone
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13
Q

P. AERUGINOSA

  • Reservoir
  • Transmission
  • Metabolism
  • Virulence
  • Toxins
  • Diseases
  • Treatment
A

P. AERUGINOSA

  • Reservoir
  • Transmission
  • Metabolism: Lac(-), Oxidase (+)
  • Virulence: Motile
  • Toxins: Exotoxin A
  • Diseases: Pneumonia, osteomyelitis, burn wound infections, sepsis, UTI, endocarditis, malignant external otitis
  • Treatment: Timentin, Peperacilin, Imipenem, Aminoglycosides, Ciprofloxacin
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