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Parasitology quiz 2 > Protists 2 > Flashcards

Protists 2 Flashcards

1
Q

mucosoflagellates taxonomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
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2
Q

mucosoflagellates what family

A
  • trichomonadida
  • diplomonadida
  • naegleria
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3
Q

trichomonadida id

A
  • pear shaped w/ single nucleus

- 3-5 anterior flagella w/ undulating membrane

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4
Q

trichomonadida transmission

A
  • transmitted from host to host in feces or genital fluids

- do not have cyst stage involved in transmission

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5
Q

trichomonadida organ/ cell involved

A
  • associated with alimentary or genital tract
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6
Q

trichomonadida taxonomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- trichomonadida
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7
Q

trichomonad vaginalis taxonomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- trichomonadida
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8
Q

trichomonad vaginalis host

A

humans

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9
Q

trichomonad vaginalis dx

A
  • vaginitis in women
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10
Q

trichomonad vaginalis and men

A

men are asymptomatic carriers

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11
Q

tritrichomonas foetus taxonomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- trichomonadida
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12
Q

tritrichomonas foetus host

A

cattle

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13
Q

tritrichomonas foetus id

A
  • pleiomomorphic
  • varries in length
  • 3 anterior and 1 trailing flagella
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14
Q

tritrichomonas foetus transmission

A
  • transferred from penis to vagina during sex

- semen usually not infectious unless contaminated w/ prepucial fluid

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15
Q

tritrichomonas foetus organ/ cell effected

A
  • vagina
  • uterus
  • macerated fetus
  • prepuce
  • penis
  • epididymus
  • vas deferens
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16
Q

tritrichomonas foetus dx

A
  • bovine genital trichomoniasis->
    infertility
    aborption
    pyo
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17
Q

tritrichomonas foetus bull

A
  • infection w/o signs in bull

- bull responsible for spread

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18
Q

tritrichomonas blagburni taxnomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- trichomonadida
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19
Q

tritrichomonas blagburni host

A

cat

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20
Q

tritrichomonas blagburni transmission

A

direct feal-oral contact

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21
Q

tritrichomonas blagburni dx

A

large bowel d+

22
Q

tritrichomonas blagburni vs tritrichomonas foetus

A

many believe they’re the same but gene sequencing and pathogeniciticy say otherwise

23
Q

histomonas meleagridis taxnomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- trichomonadida
24
Q

histomonas meleagridis host

A
  • chickens
  • turkey
  • gallinaceous birds
25
Q

histomonas meleagridis transmission

A

through egg of nematode (heterakis gallinarum)

26
Q

histomonas meleagridis organ effected

A

cecum and liver

27
Q

histomonas meleagridis dx

A
  • sulfer colored d+ in turkeys bc infection of liver
  • chickens cecal lesions
  • called blackhead?
28
Q

diplomonadida taxnomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- diplomonadida
29
Q

diplomonadida transmission

A

transmission from host to host in feces or genital fluids

30
Q

diplomonadida organ effected

A

associated with alimentary or genital tract

31
Q

giardia taxnomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- diplomonadida
32
Q

giardia hosts

A
  • fish
  • amphibia
  • birds
  • mammals
33
Q

giardia lifecycle

A
  • Cyst in external environ -> ingested by vertebrate -> Excystation in small intestines -> Multiply by binary fission -> Trophozoite stays in mucosa or becomes cyst -> Excreted as cyst which cont cycle or trophozoite which disintegrates
34
Q

giardia id

A
  • 2 nuclei

- 6 anterior and 2 posterior flagella

35
Q

giardia transmisssion

A
  • cyst is stage passed from host to host (monotonous lifecycle)
  • Ingestion of cysts in contaminated water, food, or by contact w/ infected individuals or fomites
36
Q

giardia organ affected

A

small intestine vertebrates

37
Q

giardia trophozoite form transmission

A
  • Trophpo-zoites passed in stool but do not survive in environ
38
Q

giardia trophozoite form motility

A

Trophpzoite form swim around attached to mucosa by sucking discs on bottom & use flagella to pump out water so stick better

39
Q

giardia cysts special characteristics

A

Glycoproteins that come out & bubble to surface forming open meshwork cyst instead of hard cyst that lasts years

40
Q

naegleria taxonomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- naegleria
41
Q

naegleria host

A
  • facultative amoeba free living most of the time but serious dx if enter vertebrate
42
Q

naegleria organ/ cell effected

A
  • nostrils = where become pathogenic

- brain

43
Q

naegleria dx

A
  • fatal fulminant primary amoebic meningoencephalitis b/c feed and reproduce v rapidly in brain
44
Q

naegleria fowleri taxnomy

A
  • kingdom- protozoa
  • class- excavata
    order- muscoflagellates
    family- naegleria
45
Q

naegleria fowleri host

A
  • humans
  • sheep
  • cattle
  • tapir
46
Q

naegleria fowleri lifecycle

A

3 stages

  • cyst
  • trophozoite
  • flagellated form
47
Q

naegleria fowleri transmission

A

go up nose during water activities

48
Q

naegleria fowleri organ effected

A
  • migrate to brain from nasal cavity via olfactory nerves
  • trophozoite in css and tissue
  • flagellated form occasionally in csf
49
Q

naegleria fowleri location

A
  • california

- brazil

50
Q

naegleria fowleri found in what

A
  • fresh water
  • soil
  • thermal dc of power plants
  • heated pools
  • aquiariums
  • sewage

Parasitology quiz 2 (7 decks)

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