Lab Prac 4

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MeganM
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228309
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Lab Prac 4
Updated:
2013-08-06 20:36:19
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Micro
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Lab 4
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  1. This is a slide of common bread mold.  What is the species of this fungus?
    Rhizopus nigricans
  2. This mold reproduces asexually by producing 6(a)____________ and sexually by producing 6(b)____________.
    • sporangiospores; 
    • zygospores
  3. Name this parasite that causes a STD.
    Trichomonas vaginalis
  4. This protozoan is motile by ________ and the organism is called a ________ because it has membrane bound organelles.
    • flagella;
    • eukaryote
  5. This important fungus produces an important antimicrobial agent called ________ which inhibits the synthesis of cell wall material particularly in gram (+) bacteria.
    penicillin (penicilllium)
  6. This fungus reproduces by asexual sporescalled  _______ and sexual spores called ______.
    • conidiospores;
    • ascospores
  7. This parasite is a platyhelminth that is segmented into units called proglottids. Name one genus of this parasite.
  8. Taenia solium
    Taenia saginata
  9. The head of this worm that attaches to the intestinal wall is called a ______ and is often equipped with hooks and suckers. 
    scolex
  10. An infection by this type of worm can be prevented by _______ and _______.
    • cooking meats properly;
    • inspecting meat
  11. This picture illustrates the egg of the giant pork roundworm ________.

    ascaris lumbricoides
  12. This parasitic worm is classified as a _______ because it is a round worm. Humans acquire this infection by __________.
    • nematode;
    • fecal-oral
  13. Small wells cut in agarose gel filled with different antigens and antisera will demonstrate what kind of antigen-antibody reaction?
    precipitin
  14. A test often used to test for cellular antigens that results in visible clumping of antigen-antibody complexes is called _________.
    agglutination
  15. This filarial worm is called _________.  In very severe cases it can block lymphatic vessels causing the classic symptoms of extreme limb swelling called ______.
    • wucheria bancroph;
    • elephantitis
  16. Dermatophyte fungi cause __________ infections often called ________ and one genus of these fungi is _________.
    • skin;
    • ringworm;
    • trichophyton & microsporum;
  17. This parasitic unicellular fungus is called _______ and can cause diseases such as vaginitis and thrush. 
    candida albicans
  18. This parasitic unicellular fungus reproduces asexually by the process called _______ and it causes a/an ________ infection when the normal microbial flora is upset by broad spectrum antimicrobial agents.
    • budding;
    • opportunistic
  19. This encysted round worm is called ________. It can be found in the meat of wild animals such as _____ and ______ and _______.
    • trichinella spiralis;
    • pigs, horses, bears
  20. Infection of this round worm in the US is uncommon now because of what important public health measure?  Another important prevention method is to thoroughly cook all wild game meat to what temp?
    • meat inspection;
    • 165
  21. This is brewer's yeast. The species of this fungus is ________.  It reproduces asexually by _______.
       
    • saccharomyces cerevisiae;
    • budding
  22. The process of fermenting sugars using yeast is used in the _____ and _______ industries.
    brewing; baking
  23. Three characteristics of all fungi.
    • Eukaryotes
    • Large cell size
    • Nonmotile
    • Cell walls made of chitin
    • Heterotrophic

  24. The hook worm, ______, is contracted by coming in contact with _______ in the soil.
    • Necator americanis;
    • larva
  25. This Dueteromycete mold is called ______.  It reproduces and spreads by asexual spores called _____.
    • aspergillus;
    • canidiospores
  26. The filamentous cells of fungi are called _______.
    hyphae or mycoselium
  27. Hikers & campers contract this parasite by drinking contaminated water from streams and rivers. The organism is called _________ and the primary symptom is ______.
    • Giardia lamlia;
    • diarrhea
  28. This parasite causes African sleeping sickness. The organism is called _______ and the disease is transmitted to humans by the arthropod vector ________.
    • Trypanasoma cruzii;
    • tsetse fly
  29. This protozoan is motile by means of _____. The species of this parasite is ______. The primary symptom of the disease is _____.
    • cilia;
    • B.coli;
    • diarrhea
  30. What is the only ciliate parasite?
    Balantidium coli
  31. This protozoan can be contracted by handling of cat feces in a litter box. Name the genus of this sporozoan.
    Toxoplasma gondii
  32. Since this parasite is considered a sporozoan, it is motile or non-motile? Why are pregnant women at serious risk with this parasite?
    • non-motile;
    • it can cross the placental barrier
  33. Define arthropod vector, and give two examples.
    • an animal with an exoskeleton;
    • tick (lyme disease, rocky mt spotted fever)
    • mosquito (malaria, elephantiasis)
  34. These two procedures are used for the rapid diagnosis of ______ infections. Give two examples.
    • enteric (gram neg bacilli)
    • salmonella & shigella

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