Microbiology Chapter 19

Card Set Information

Microbiology Chapter 19
2010-12-12 20:57:40

Test 3 Review
Show Answers:

  1. Anthrax
    Bacillus anthracis - a zoonotic disease of herbivorous livestock, facultative parasite that can be fatal
  2. cutaneous anthrax
    mildest form of anthrax, caused by entrance of spores into small openings in the skin, causes dark necrotic lesion called an eschar
  3. pulmonary anthrax
    woolsorter disease - inhalation of airborne spores, kill macrophages with exotoxins once they germinate
  4. exotoxins
    toxin (usually a protein) that is secreted and acts upon a specific cell target
  5. endotoxin
    bacterial intracellular toxin that is not ordinarily released (as an exotoxin)
  6. myonecrosis/anaerobic cellulitis
    gas gangrene - necrotic condition associated with the release of gases caused by Clostridium perfringens
  7. botulin
    Clostridium botulinum toxin. Most powerful microbial toxin known causing flaccid paralysis of the muscles
  8. listeriosis
    infection of Listeria monocytogenes due to eating contaminated dairy products, poultry of meat
  9. diphtheria
    infection of Corynebacterium diphtheriae, transmitted by human carriers or milk, upper respiratory tract infection
  10. diphtherotoxin
    exotoxin responsible for the effects seen in diphtheria, upper respiratory system, peripheral nervous system and heart
  11. pseudomembrane
    tenacious, noncellular mucous exudate containing cellular debris that tightly blankets the mucosal surface of infections such as diphtheria
  12. Propionibacterium
    infect the pilosebaceous glands of human skin, Propionibacterium acnes causes acne
  13. Mycobacterium
    require acid fast staining to be seen due to mycolic acid coating, cause tuberculosis and leprosy
  14. tubercle
    in tuberculosis, the granulomatous well-defined lung lesion that can serve as a focus for latent infection
  15. Acintomycetes
    causes acintomycosis, rod shaped and gram positive
  16. tetanospasmin
    potent neurotoxin causing intense muscle contraction, accounts for major symptoms of tetanus (lockjaw)