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Parasitology > Lesson 3: 7/22/14 > Flashcards

Lesson 3: 7/22/14 Flashcards

0
Q
  1. Examples of facultative parasites?
A

STRONGyloides stercoralis
–threadworm, smallest nematode.
“Free-living adult worms”

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1
Q
  1. Examples of obligate parasites?
A 
Ascaris lumbricoides
PNE:
Trichomonas sp.
Dientamoeba fragilis (flagellate)
Entamoeba gingivalis
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2
Q
  1. Examples of vectors?
A

Mosquitoes, flies,
Midges/gnats, bugs.
(Carry intermittent parasites).

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3
Q
  1. Species of mosquito?
A

Anopheles minimus flavirostris
Aedes species
Mansonia species

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4
Q
  1. Anopheles minimus flavirostris’ parasites?
A

Plasmodium (malarial)
Wuchereria bancrofti (filarial worm)
–DS: microfilarial (knott’s conc.)
*night biters, angle

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5
Q
  1. Aedes sp.’s parasites?
A

Filarials worms

*day biters

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6
Q
  1. Mansonia sp.’s parasites?
A

Lymphatic filarial worms:

  • Brugia malayi
  • Wuchereria bancrofti
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7
Q
  1. Species of flies?
A

Tabanid fly—Chrysops species
Black fly—Simulium species
Tse-tse fly—Glossina species

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8
Q
  1. Chrysops sp.’s parasites?
A

Loa loa

-“African eye worm”

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9
Q
  1. Simulium sp.’s parasites?
A

Anchocerca volvolus

-“blinding filarial worm”

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10
Q
  1. Glossina sp.’s parasites?
A

Trypanosoma bruce rhodesiense
Trypanosoma bruce gambiense
–causes sleeping sickness

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11
Q
  1. Species of midges/gnats?
A

Culicoides species

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12
Q
  1. Culicoides sp.’s parasites?
A

Mansonella / Dipetalonema

-filarial worms

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13
Q
  1. Species of bugs?
A

Reduviidae

  • “kissing bugs / assassin bugs”
  • transmission: defacation
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14
Q
  1. Reduviidae’s parasites?
A

Trypanosoma cruzi (hemoflagellate)

  • causes Chaga’s disease
  • -xenodiagnosis
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15
Q
  1. Soil-transmitted parasites and characteristics?
A 
Ascaris lumbricoides (round)
Trichuris trichura (whipworm, barrel)
Hookworms (thin-shelled, 2-8 cell stage blastomeres)
16
Q
  1. Soil-transmitted parasites and MOT?
A

Ascaris lumbricoides–ingestion (embryonated)
Trichuris trichura–ingestion (embryonated)
Hookworms–skin penetration (flariform)
*Hookworm larva: Rhabditiform

17
Q
  1. Examples of human hookworms?
A

Necator americanus, “New World hookworm”
Ancylostoma duodenale, “Old Worm hookworm”
-Transmammary

18
Q
  1. Examples of animal hookworms?
A

Dog hookworm

Cat hookworm

19
Q
  1. Snail-transmitted parasites?
A

Trematodes, “Flukes”

21
Q
  1. 2nd IH of flukes (leaf-like)?
A 
Snail
Water vegetation (kang-kong)
Crab
Fish
*IS: metacercaria
22
Q
  1. Snail’s flukes?
A

Echinostoma ilocanum

23
Q
  1. Water vegetation’s flukes?
A

Fasciola species

-“liver flukes”

24
Q
  1. Crab’s flukes?
A

Paragonimus westermani

  • “oriental lung flukes”
  • -sputum: N-acetyl cystene
25
Q
  1. Fish’s flukes?
A

Clonorchis sinesis, “Chinese liver fluke”
Opis torchis
Heterophyes heterophyes

26
Q
  1. Blood flukes?
A 
Schistosoma japonicum (stool)
Schistosoma mansonia (stool)
Schistosoma haematobium (urine)
*IS: Cercaria (motile)

Parasitology (8 decks)

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