Microbiology Lecture Exam 3

87 Questions | Total Attempts: 37

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Microbiology Quizzes & Trivia

Take this quiz to see where you are for the lecture exam #3


Questions and Answers
  • 1. 
    These are single celled or multicellular organisms with a membrane bound nucleus and organelles.
  • 2. 
    True or False: Eukaryotes are good environmental indicators, producers, and CAN be pathogenic
  • 3. 
    True or false: Algae can either be single celled or multicellular, are found in fresh and salt water, and CAN be pathogenic
  • 4. 
    Algae contains ____ to trap sunlight
  • 5. 
    This pigment found in algae is noted as a red/yellow collor
  • 6. 
    This pigment found in algae is noted as a yellow color and is also found in diatoms.
  • 7. 
    This pigment found in algae is noted as being red.
  • 8. 
    These are fresh water alga, they are filamentous, and they have chloroplast spirals that contain chlorophyll.
  • 9. 
    The cell wall of diatoms contain ___ which is a component of glass and does not decompose
  • 10. 
    These have armored plates made of cellulose, are motile, parasitic, and are also photosynthetic producers.
  • 11. 
    These are a type of Dinoflagellate that are found in the Chesapeake Bay and tributaries, and are normally found in the harmless cyst-stage in the sediment of said waters.
  • 12. 
    What causes Pfiesteria piscicida to appear in its parasitic stage?  When ___ is reduced and when ___ run off
  • 13. 
    The parasitic stage of Pfiesteria piscicida produces two toxins.  A ____ toxin and a ____ toxin.  The second causes lesions on fish.
  • 14. 
    The ____ research lab showcased how Pfiesteria can affect humans when the neurotoxin is aerosolized.
  • 15. 
    These are motile like a protozoa but are good aquatic indicators, non-pathogenic, and the book says it is an algae.
  • 16. 
    These are single celled, animal-like consumers that can be both pathogenic and non-pathogenic.
  • 17. 
    This is the means of locomotion for the protozoa "Ciliates"
  • 18. 
    This is the means of locomotion for the protozoa "flagellates"
  • 19. 
    This is the means of locomotion for the protozoa "amoeboids"
  • 20. 
    This Ciliate is non-pathogenic and is a good fresh water aquatic indicator.
  • 21. 
    ___ ___ opens on the paramecium in order for it to feed.
  • 22. 
    ___ ___ is used to regulate water pressure on the Paramecium
  • 23. 
    This ciliate is a pathogen whose reservoir is pigs.  It has a fecal-oral route, its cyst stage survives stomach acid, its trophozoite stage emerges in the intestine, and it causes dysentery.
  • 24. 
    This flagellate has four species that cause malaria in the equatorial belt.  It is the leading killer of all humans throughout the ages, and it is now resistant to chloroquin and primaquin.
  • 25. 
    In the first stage of Plasmodium, the female ___ mosquito deposits sporozoites that circulate to the liver
  • 26. 
    In the second stage of Plasmodium, once the sporozoites infect the liver cells, they undergo asexual reproduction to make ____.  These rupture the liver cells and cause jaundice.
  • 27. 
    In the third stage of Plasmodium, the merozoites infect the RBCs and become ____.  From there, merozoites can then become ____ which are also sex cells
  • 28. 
    The reservoirs of ____ are many warm-blooded animals that pick up cysts in the soil.  These include mice and rats, bird, grazing animals, and especially cats.
  • 29. 
    This is the infection Toxoplasma gondii is responsible for.  It shows symptoms of mononucleosis in healthy people, seizures and coma in the immunosupressed, and crosses the placenta causing birth defects or miscarriage in pregnant women.
  • 30. 
    ____ uses beavers, bunnies, and racoons as its reservoir.  It has a fecal-oral route from contaminated water.
  • 31. 
    Giardia lamblia becomes a trophozoite stage in the ___ ___
  • 32. 
    Giardia lamblia causes the infection ___ ___ which is also known as Giardiasis
  • 33. 
    This is a biflagellate with an undulating membrane.  Its vector is the tsetse fly.
  • 34. 
    Trypanosoma brucei causes the infection ___ ___ ___
  • 35. 
    Because this resembles Trypanosoma brucei so much, one must check the infected's history of travel to know the difference.  This is found in Central and South America and its vector is the Reduviid bug.
  • 36. 
    This is the infection Trypanosoma cruzi causes
  • 37. 
    These move via cytoplasmic streaming.
  • 38. 
    Amoeboids have extensions called
  • 39. 
    This is a non pathogenic amoeboid that is a good, fresh water environmental indicator.
  • 40. 
    This is a pathogenic amoeboid that has a fecal-oral route, is found in countries of poor sanitation, takes up residence in small and large intestines, and causes mild diarrhea, ulceration, and periforation of the intestines.
  • 41. 
    These include single celled yeasts and multicellular molds.  They are consumers via decomposition.  They are also either pathogenic or non-pathogenic
  • 42. 
    This type of fungi needs a moist, terrestrial environment.  You need to microscopically look at the sporulating structure to ID one of these from another.
  • 43. 
    A single filament of mold is called a ___
  • 44. 
    A collection of hyphae is called a ___
  • 45. 
    This is a zygomycete; it is black bread mold.
  • 46. 
    Pertaining to Rhizopus stolonifer, ___ produce enzymes to break down bread
  • 47. 
    This is generally not pathogenic, and causes opportunistic infection in uncontrolled diabetics.  It also may cause lung and oral cavity infections.  It produces asexual sporulating structure when nutrients are low, but sexual reproduction is also possible.
  • 48. 
    This is a deuteromycete that decomposes damp grains and peanuts.
  • 49. 
    This is also known as farmer's lung, and it is the infection caused by Aspergillus.
  • 50. 
    Alexander Fleming discovered this; has chemotheraputic agents
  • 51. 
    Name all three sporulating structures (R.A.P.)
  • 52. 
    This is a dimorphic fungi.  It produces mold in cool, damp environments which decomposes feces of birds and bats.  Its spores are inhaled thru the lungs, and at warm temperatures this morphs into yeasts.
  • 53. 
    Histoplasma capsulatum causes histoplasmosis, also known as
  • 54. 
    This is a single celled fungi
  • 55. 
    This is baker's yeast.  It is non-pathogenic and it undergoes fermentation to make bread, beer, and wine.
  • 56. 
    This is normal flora on the skin, in the vagina, in the oral cavity, and in the GI tract.  If its numbers get too high it can cause an infection.
  • 57. 
    This is the name of the infection that Candida albicans produces if its numbers get too high.  In the oral cavity, it is known as thrush, it is seen in immunosupressed adults and babies can get it from their mother since they are not born with normal flora.
  • 58. 
    This is an encapsulated yeast in decomposing bird droppings.  It can become aerosolized and in healthy individuals it can show symptoms of mono.
  • 59. 
    This is the infection Cryptococcus neoformans causes in the immunosupressed.
  • 60. 
    This is when cryptococcosis' macrophages are supressed, and yeast gets into the CSF.  Its diagnoses is done with a spinal tap, and its treatment can be difficult because of the blood brain barrier.
  • 61. 
    These are multicellular consumers that are always pathogenic in man.  They are classified according to shape.
  • 62. 
    This is another name for a roundworm.
  • 63. 
    This is another name for a tapeworm.
  • 64. 
    This is another name for a fluke.
  • 65. 
    This is another name for a pinworm infection.
  • 66. 
    This is another name for a hookworm infection.
  • 67. 
    This causes Trichinosis
  • 68. 
    This cestode causes fish tapeworm disease.  It can grow 45 meters and can obstruct the small intestine.
  • 69. 
    This is a flat, leaf shaped fluke that causes a sheep liver fluke infection in sheep and cattle, but can be seen in humans.  Its secondary host is a snail.
  • 70. 
    This is endemic to Africa and South America.  It causes schistosomiasis.
  • 71. 
    The male Schistosoma mansoni has a ___ ___ in which the female lays during reproduction.
  • 72. 
    Schistosoma mansoni's ___ stage burrows through the skin of a human.
  • 73. 
    When schistosoma mansoni eggs reach water, they become a larval form called a ___ that infects the snail host
  • 74. 
    These are multicellular consumers that include fleas, ticks, and mosquitos
  • 75. 
    This is an organism that transmits a microorganism
  • 76. 
    This type of vector only carries microorganisms on external body structures
  • 77. 
    This type of vector is noted because a portion of a parasite's life cycle occurs within the vector
  • 78. 
    This uses a flea for its vector, and a rat for its reservoir.  Its infection is the black death.
  • 79. 
    The vector for Trypanosoma brucei is
  • 80. 
    This is the vector for Trypanosoma cruzi
  • 81. 
    This is the vector for Borrelia burgdorferi.  ___ tick (hint: not DEER tick)
  • 82. 
    These are the two reservoirs for Borrelia burgdorferi (hint: start with the larger animal)
  • 83. 
    This is another name for bullseye rash, an initial sign of Lyme Disease.
  • 84. 
    This is the removal or destruction of all microorganisms and viruses on a product, this can NOT be done to living tissue.
  • 85. 
    This is the use of a chemical to decrease the number of microorganisms on an inanimate object; this is NOT for living tissue.
  • 86. 
    This is a chemical that decreases the number of microorganisms on living tissue; this is used for the skin.
  • 87. 
    This is a brief period of low heat used to reduce the number of microorganisms