micro test two

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micro test two
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  1. what is pathogenic bacteria
    bacteria that causes an infection in its host
  2. what are the three types of pathogenic bacteria
    ubiquitous, spore formers and specific
  3. Ubiquitious bacteria consisit of what type of bacteria
    staphylcoccus
  4. how many of the staphy. species are of potential interest when it comes to food
    18
  5. Staphyl. was first thought to only create what
    cogaulase, TNase
  6. Over time what was discoverd that could be also produced by staphy. if it did not produce its original products
    enterotoxins
  7. what is the habit of ubiquitous bacteria
    found aroud openings that are moist
  8. Three types of sporformers
    clostridium perfringens, clostridium botulinum, bacillus cereus
  9. Sporeformers are
    gram positive rods
  10. is clostridium perfringens anerobic of aerobic
    anerobic
  11. what are the five types of clostridum perfringen
    a b c d and e
  12. what types of clostridium perfringens are associated with foodborne illness
    a and c
  13. how many products does the types of clostridum per. associate with foodborne illness create
    7
  14. Where is Clostridum perfringens found
    • soil
    • water
    • food
    • dust
    • spices
    • intestinal tract of humans and animals
  15. what is need for clostridium per. to caus illness
    large number of cells ingested
  16. is Clostridum botulinum anerobic or aerobic
    anerobic
  17. how is clostridium botulinum different from clostridum per.
    clostridum botulinum prouduces exotoxin not eneterotoxins
  18. where is exotoxins produces
    in foods
  19. how may reconized types of clostridium botulinum are there
    7, A through G
  20. which types of clostridium botulinum is associated with human illness
    A B E F and G
  21. What foods is Clostridum botulinum found in
    • canned or vaccuumed sealed foods
    • cooked ham
    • smoked turkey
    • frankfurters
    • luncheon meat
    • raw chicken, beef, and pork
  22. what exotoxin is produced by clostridum botulinum
    neurotoxin
  23. Bacillus cereus is anerobic or aerobic
    aerobic
  24. types of targeted of specific pathogens
    • listeria
    • samonella
    • shigella
    • e.coil
    • vibrio
    • yersinia
    • camplyobacter
  25. Descibe listeria
    • gram positive
    • non sporforming
    • rod
  26. where is listeria located
    in decaying vegitation and in soil animal feces sweage silage and water
  27. wat toxin does listeria produce
    listriolysin O.
  28. what does listeriolysin O. cause
    listeriosis
  29. whatcoes listeriosis cause
    • gastroenterritis
    • speticemia
    • meningitis
  30. describe salmonella
    • gram negitive
    • non sporeforming
    • rods
  31. is salmonella anaerobic or aerobic
    facultative anaerobic
  32. what are the two species of salmonella
    enterica and bongori
  33. Of the 2400 serrovars of salmonella how many are made and what are their names
    • 5 groups
    • II, IIIa, IIIb, IV, VI
  34. Where is salmonella found
    in the intestinal tract of mammals, birds, reptiles, and insects
  35. what toxins are produced by salmonella
    enterotoxins and cytotoxins
  36. what does the toxins in salmonella cause
    the infection know as salmonella
  37. is shigella anerobia or aerobic
    aerobic
  38. descrive shigella
    • gram negitive
    • non sporeforming
    • non motile
    • rod
  39. what are the types of shigella
    • dysenteriae
    • flexneri
    • boydii
    • sonnei
  40. what is the most common type of shigella
    S. dysenteriae
  41. What was actually thought to be part of shigella
    E. coli O157:H7
  42. how many strand of shigella needed to cause an infection
    less than 10 cfu
  43. is e. coli anerobic or aerobic
    aerobic
  44. Describe E.coli
    • gram negitive
    • non sporeformers
    • motile
    • rod
  45. What are the E.Coli virulence group
    • EAggEC
    • EHEC
    • EIEC
    • EPEC
    • ETEC
  46. Eneroaggregative is resposible for
    Travelers Darrhea
  47. What makes EAggEc aggressive
    Plasmd allowing for production of fimbriae
  48. EHEC effects what
    the large intestines
  49. What toxin does EHEC produce
    verotoxin
  50. What is consider to be a EHEC strain
    0157:H7
  51. EIEC does not produce what
    enterotoxins
  52. Where does EIEC multiply
    in the epithelial cell
  53. what does EPEC destroy
    the brush border microvilli
  54. ETEC colonize where
    in the small intestine
  55. vibrio is aerobic or anerobic
    Facultative anaerobic
  56. describe vibrio
    • gram negative
    • non sporeforming
    • motile
    • rod
  57. what is the most common Vibrio associated with seafood
    V. parahaemolyticus
  58. what vibrio is associated with human cholera
    V. cholera
  59. Gasteroenteritis is due to what
    vibrio
  60. is yerisinia anerobic of aerobic
    faculative aerobic
  61. describe yesrinia
    • member of family enterobacteriaceae
    • gram negitive
    • rod
  62. what is the most common yersinia
    y. pestis
  63. yersiniosis is associated with wat foods
    vaccumpackaged meats, seafood, vegetables, milk and other food products
  64. Camplobacter has a symbiotic relationship with
    avian species
  65. The Camplobacter symbiotic relationship is due to what
    the temprature of the birds body is 42 degrees which is its optimum temp
  66. The sever cases of Campylobacter is known as
    Gullian Barre syndrome
  67. three distinct groups of parasites
    • protozoa
    • flateworms
    • roundworms
  68. Characteriscs of parisites
    • do not proliferate in food
    • presents must be detected directly
    • cant grow on culture media
  69. Five genera of protozoa
    • giardia
    • entamoeba
    • toxoplasma
    • sarcocystis
    • cryptosporidium
    • cyclospora
  70. what is giardia
    flagellate protozoa that exist in water
  71. Entamoeba induce infection in wat form
    abscesses inthe intestinal mucosal cells
  72. most common strand of Toxoplasma
    toxoplasma gondi
  73. Toxoplasmosis mainly occurs in
    cats
  74. Sacrocoysitis infect
    • reptiles
    • birds
    • mammals
  75. Sacrocysts are formed where
    the skeletal and cardiac muscles
  76. Crytospordium transmition
    fecal oral route
  77. Cyclospora lacated
    the jejunum
  78. Two classes of flatworms
    • Trematoda (flukes)
    • cestoidea (tapeworms)
  79. types of roundworms
    • trichinellida
    • turbatrix
  80. Three types of pathenogenic viruses
    • hepatitis A virus
    • nonviruses
    • rotaviruses
  81. Noravirus two genogroups
    • norwalk
    • snow mountain
  82. food borne illness is cause by
    viruses, bacteria, parasites, toxins, metals, and prions.
  83. five keys to keeping food safe
    • keep clean
    • separate rwa and cooked food
    • cook food throughoutly
    • keep food at safe temp
    • use safe water
  84. what is a pathogen
    a living agent capable of producing disease
  85. what are the types of pathogens
    • viruses
    • bacteria
    • fungi
    • protozoan
  86. what are the characteristics of a pathogen
    • finbria or pilli
    • flagella
    • toxins
    • invasivness
  87. Bacterial growth depends on what
    • themp
    • ph
    • omotic pressure
    • oxygen
    • nutrients
  88. wat are the ways of killing microbes
    • exponetial death
    • organismal diffenences
    • cleanliness effects
    • temp effects
  89. what are the two sources of transmission
    • ventral
    • horizontal
  90. what are the ways of transmission in ventral transmission
    parent to offspring
  91. what are the ways of transmission in horizontal transmission
    • food
    • water
    • pets
    • person to person
  92. what type of diseases causeing agents can be ventral transmitted
    • viruses
    • bacteria
    • parasites
  93. what type of diesease causeing agents can be horizontal transmitted
    • bacterial
    • fungal
    • viral infections
  94. what are the barriers of invasion
    • skin
    • mucous membranes
    • tears and salicva secrere enzymes
    • nasal hairs
    • chemicals
  95. what are the types of immunity
    • innate
    • aquired
    • cell mediated
  96. what is innate immunity
    present at birth
  97. what is aquired immunity
    • from activity of immune system
    • active or passive
  98. what is cell mediated immunity
    dependent of t-lymphocytes

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