exam 3 chapter 20

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alicia0309
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275977
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exam 3 chapter 20
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2014-06-02 22:52:06
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exam 3 chapter 20
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  1. Pseodomonas aeruginosa
    • GRAPELIKE ODOR & Blueish/Green pigment common cause of nosocomial infections
    • multidrug resistant
    • resistant to soaps and dyes
    • Opportunistic
    • Freq contaminates of Ventilators, IV solutions, anesthesia equipment
    • Produces Oxidase and Catalase
    • Gram Negative, Bacilli, aerobic
    • soil and water
  2. Burkholderia
    • opportunistic
    • Gram Negative
    • Aerobic Rods
    • soil/water
    • Oxidase +
  3. Burkholderia

    B. cepacia
    • drug resistant
    • active biodegradation of a variety of substances
    • opportunistic in resp tract, urinary tract, occasionally skin infections
  4. Burkholderia

    B. pseudomallei
    • gram negative, aerobic rods
    • Generally acquired thru penetrating injury or inhalation
    • Causes wound infection, bronchitis, pneumonia and septicemia
  5. what do Pseudomonas aeruginosa, Burkholderia, Acinetobacter and Stenotrophomonas have in common
    • Gram Negative Bacilli
    • Opportunistic
    • Aerobic
    • soil/water
    • Oxidase +
  6. Aninetobacter baumanii
    • Extremely Resistant {must treat with combo of antimicrobials}
    • Nosocomial & Community infections
    • Gram Negative, aerobic rods, opportunistic
  7. Stenotrophomonas maltophilia
    • contaminant of dialysis & resp equipment
    • Must isolate
    • Multi Drug Resistant
    • FORMS BIOFILM

    Gram Negative, Aerobic rods
  8. Brucella
    • tiny Gram Negative coccobacilli
    • TEST Aggulatination Titer Test

    treat with combo tetracycline and rifampin or streptomycin

    • Potential BioWeapon
    • zoonosis - 2 types cattle and pig
  9. Brucella

    B. abortus
    • Cattle
    • Potential BioWeapon
    • causes malta fever, undulant fever, and Bang Disease

    • Gram Negative
    • treat with combo Tetracycline & rifampin or streptmycin
  10. Brucella

    B. Suis
    • Pig
    • transmitted to humans by animals
    • causes fluctuating fever that lasts for weeks to year

    • Gram Negative
    • Treat with combo tetracycline and rifampin or streptomycin
  11. Francisella tularenis
    • causes tularemia
    • carried by RABBITS
    • Treated with Gentamycin or Tetratcycline
    • Potential BioWeapon
    • Vacc Available

    GramNegative Bacilli
  12. Bordeltella pertusis
    • whooping cough
    • Vacc DTaP

    Gram Negative Bacilli
  13. Alcaligenes faecails
    • primarily in soil and water
    • May become Normal Flora
  14. what do Brucella and Francisella have in common?
    they are both gram negative bacilli, zoonotic pathogens

    • Brucella is cattle or pigs
    • Francisella rabbits
  15. Pseudomonas and Burkholderia have ___ in common?
    both are gram negative Bacilli and opportunistic pathogens
  16. Bordetella ad Legionella have ___
    mainly human pathogens

    also both are gram negative bacilli
  17. Legionella pneumophila
    • prevalent in males over 50
    • Legionaires or Pontiac Disease
    • TREAT with Azithromyicn
  18. Enterobacteriaceae Family
    • Enterics (divided into Coliforms and noncoliforms)
    • most common cause of diarrhea thru entrotoxins
    • BBL tube used for DX
    • Complex antigens contribute to pathogenicity and trigger immune response (H,K,O)
    • Facultative Anaerobic (grows best in air), Gram Negative
  19. Escherichia coli
    • most prevalent enteric bacillus
    • coliform count is indicator to fecal contamination in water
    • most common Aerobic, nonfastidious, bacterium in the gut
    • ¬†gram negative
  20. Klebsiella pneumonia
    • opportunistic coliform
    • normal inhabitant of the resp tract
    • causes nosocomial pneumonia, meningitis, bacteremia, wound infections and UTI
  21. Enterobacter
    • opportunistic coliform
    • UTIs, surgical wounds
  22. what are the opportunistic coliforms
    • Klebsiella pneumoniae - normal inhab or resp tract
    • Enterobacter -UTI, surgical wounds
    • Citrobacter- UTI, bacteremia
    • Serratia marcescens - produces red pigment
  23. Citrobacter
    • opportunistic coliform
    • UTI, bacteremia
  24. Serratia marcesncens
    • opportunistic coliform
    • produces red pigment
    • causes pneumonia, burn and wound infections, septicemia
  25. NonColiform lactose negative Enterics
    • Proteus (usually harmless)
    • Salmonella and Shigella (human host)
  26. Salmonella

    S. typhi
    • Typhoid Fever
    • human host
    • Treat with chloramphenicol or sulfatrimethoprim

    gram negative bacilli
  27. Salmonella enteritidis

    S. enteritidis
    1,000 different types based on variation of antigens O,H,V

    Both salmonella are flagellated and can survive outside the host and are resistant to chemical and dyes
  28. Shigella
    • Human parasites
    • incapacitating dysentery
    • invades large intestine but does not perforate intestine or invade blood
    • Treat fluid replacement and Cipro and Sulfatrimethoprim

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