Microbiology Fungi, Protozoa and Parasites

  1. Candida albican
    Dimorphic fungi
  2. Sporothrix schenickii
    Dimorphic fungi
  3. Blastomyces dermatitidis
    Dimorphic fungi
  4. Histoplasma capsulatum
    Dimorphic fungi
  5. Malassezia furfur
    Dimorphic fungi
  6. Coccidioides immitis
    Dimorphic fungi
  7. Paracoccidioides brasiliensis
    Dimorphic fungi
  8. Penicillium marneffei
    Dimorphic fungi
  9. Cryptococcus neoforman
    • Capsule forming fungi
    • Yeast
    • Negative stain on india ink
  10. True/False: most fungi stain Gr-
    False; most stain Gr+ because of the thick wall that is made up of chitin
  11. What is the cellularity of yeast?
    unicellular eukaryotes
  12. What is the morphology of yeast?
    Round/ oval
  13. At what temperature range do yeasts typically grow?
  14. How do yeasts reproduce?
    By budding. Divide asymmetrically
  15. What is the cellularity of molds
    Multicellular eukaryotes
  16. Morphology of molds
    Have hyphae
  17. What are the two genus of molds
    • Conidiophores (don’t have sac)
    • Sporangiophores (have sac)
  18. What is the most widespread protozoan diarrheal disease
    Giardiasis lamblia
  19. What is the cellularity of protozoa?
    Unicellular eukaryotes
  20. How do protozoans reproduce?
    Reproduce by binary fission
  21. What are the four major protozoal groups
    • Amebas
    • Flagellates
    • Ciliates
    • Sporozoa
  22. What are the two stages that many protozoa alternate in?
    Cyts (Encysting) and trophozoite (excysting)
  23. Which stage is the protozoa in when it is inside a human host?
    Trophozoite as they are replicating, feeding and moving
  24. What group does Giardia lamblia belong to?
    Flagellated protozoan
  25. What are the symptoms of giardia infection?
    Sudden onset of foul smelling watery diarrhea, bloating and flatulence
  26. What is the main source of giardia infection?
    Water contamination
  27. What is the morphology of giardia lamblia?
    • Heart, tear-shaped trophozoite
    • Binucleate
    • Flagellated
  28. What is Giardia’s mechanism of attachment onto human host?
    Large ventral sucker to attach to intestinal villi
  29. What is the infective stage of Giardia?
  30. What is the diagnostic stage of Giardia?
  31. What are helminths?
  32. What are the three types of helminths?
    • Cestodes
    • Nematodes
    • Trematodes
  33. Which is the most common helminth in clinical microbiology
  34. What kingdom do the helminths belong to?
    Kingdom animalia
  35. What is the cellularity of helminths?
    Multicellular eukaryotes
  36. How do helminths reproduce?
    Sexual reproduction
  37. Where do sexual reproduction occurs in helminths?
    In the definitive host, i.e. humans
  38. What is another name for cestodes?
  39. What are some characteristics of cestodes?
    • flat, segmented (proglottid- has male and female sexual organs)
    • Hermaphroditic
    • Looks like wide noodles
    • Lacks digestive system
  40. How do cestodes attach to human host?
    using head (Scolex) to attach via suckers/ hooks
  41. How many hosts do Diphylloborthrium latum require to complete its life cycle?
    Cestode, requires 3 hosts: freshwater crustacean, freshwater fish, fish-eating mammals
  42. Where do Diphylloborthrium latum live in the human body?
    Small intestine
  43. What type of helminth do Diphylloborthrium latum belong to?
    Cestode (from fish)
  44. What type of helminth do Echinococcus granulosus belong to?
    Cestode (dog)
  45. What type of helminth do Taenia saginata belong to?
    Cestode (beef)
  46. What type of helminth do Taenia solium belong to?
    Cestode (pork)
  47. What type of helminth do Clonorchis sinensis belong to?
    Trematode (Chinese or oriental liver fluke)
  48. What type of helminth do Paragonimus westermani belong to?
    Trematode (lung fluke)
  49. What type of helminth do Schistosoma mansoni belong to?
    Trematode (blood fluke)
  50. What type of helminth do Schistosoma haematobium belong to?
    What type of helminth do (blood fluke)
  51. What is the morphology of nematodes?
    non-segmented, tapered at both ends
  52. True/False: Nematodes have a complete digestive system
  53. True/False: Nematodes are hermaphroditic like cestodes?
    False. Nematodes are not hermaphroditic, they have separate sexes
  54. What type of helminth is Enterobius vermicularis (pinworms)?
  55. How many host(s) do nematodes have?
    One, human
  56. Where do nematodes live in the human host?
  57. What is the diagnostic phase of nematodes?
    Eggs in the perianal region
  58. What is the morphology of trematodes?
    • Unsegmented, leaf-shaped
    • 2 suckers for attachment and locomotion
Card Set
Microbiology Fungi, Protozoa and Parasites
H&H Microbiology fungi parasites and protozoa