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Parasitology > Parasitology Day 1 > Flashcards

Parasitology Day 1 Flashcards

1
Q

Phylum of Sarcodina (amoeba) and Mastigophora (flagellates)

A

Sarcomastigophora

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2
Q

single celled

A

sarcodina and mastigophora

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3
Q

Sarcodina aka

A

amoeba

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4
Q

Mastigophora aka

A

flagellates

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5
Q

Moved by pseudopodia

A

Sarcodina (amoeba)

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6
Q

T and C stages (subphylum)

A

Sarcodina (amoeba)

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7
Q

Asexual reproduction (subphylum)

A

Sarcodina (amoeba)

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8
Q

Moved by flagella

A

Mastigophora (flagellates)

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9
Q

Some have T stage only

A

Mastigophora (flagellates)

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10
Q

Blood and tissue (APET)

A

Mastigophora (flagellates)

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11
Q

pathogenic, can cause disease

A

Entamoeba histolytica

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12
Q

Single celled, cilia

A

Ciliaphora (ciliates)

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13
Q

Target tissues and blood cells

A

Ciliaphora (ciliates)

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14
Q

T and C stages (phylum)

A

Ciliaphora (ciliates)

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15
Q

asexual reproduction (phylum)

A

Ciliaphora (ciliates)

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16
Q

ciliaphora aka

A

ciliates

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17
Q

apicomplexa aka

A

sporozoa

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18
Q 
Other stages include: 
oocyst, sporocyst, 
sporozoite, merozoite, 
trophozoite, schizont 
and gametocyte 
(OSSMTSG)
A

Apicomplexa (sporozoa)

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19
Q

Which of the ff parasites move through

pseudopodia and flagella

A

Naegleria fowleri

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20
Q

1-4 nuclei

A

Entamoeba histolytica (cyst)

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21
Q

4 nuclei in mature cyst

A

Entamoeba histolytica (cyst)

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22
Q

Central karyosome/ bull’s eye karyosome

A

Entamoeba histolytica (cyst)

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23
Q

Cigar shaped chromatoidal bodies

A

Entamoeba histolytica (cyst)

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24
Q

One nucleus is equal to one trophozoite

A

Entamoeba histolytica (cyst)

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25
Q

One nucleus (all trophozoite under Sarcodina)

A

Entamoeba histolytica (Trophozoite)

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26
Q

Fine, peripheral chromatin

A

Entamoeba histolytica (Trophozoite)

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27
Q

Central karyosome/ bull’s eye karyosome

–> Pinpoint/small

A

Entamoeba histolytica (Trophozoite)

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28
Q

Ingested RBC (none for E. disparr)

A

Entamoeba histolytica (Trophozoite)

29
Q

Pseudopodia

A

Entamoeba histolytica (Trophozoite)

30
Q

Progressive, directional motility

A

Entamoeba histolytica (Trophozoite)

31
Q

Cannot use iodine can kill

A

Trophozoite

32
Q

Life Cycle

  1. Cyst and trophozoites
  2. Mature cysts ingested
  3. Excystation
  4. Trophozoite –> multiplication –> trophozoites
  5. Cysts –> exists host
A

E. histolytica

33
Q

Can cause diarrhea but non-fatal

A

non pathogenic amoebae

34
Q

CB have splintered ends/ whisk broom

appearance

A

Entamoeba coli (cyst)

35
Q

Eccentric karyosome

A

Entamoeba coli (cyst and trophozoite)

36
Q

Up to 8 nuclei in mature cyst

A

Entamoeba coli (cyst)

37
Q

Largest among the amoeba

A

Entamoeba coli (trophozoite)

38
Q

Peripheral chromatic

A

Entamoeba coli (trophozoite)

39
Q

Plenty of vacuoles with ingested bacteria (dirty

looking cytoplasm)

A

Entamoeba coli (trophozoite)

40
Q

Directional movement

A

Entamoeba coli (trophozoite)

41
Q

Resembles E. histolytica but non-pathogenic

A

Entamoeba hartmanni

42
Q

Central or eccentric karyosome

A

Entamoeba hartmanni

43
Q

No ingested RBC

A

Entamoeba hartmanni

44
Q

“small race”

A

Entamoeba hartmanni

45
Q

With rice grain like CB

A

Entamoeba hartmanni

46
Q

Oral cavity

A

Entamoeba gingivalis

47
Q

With ingested WBC

A

Entamoeba gingivalis

48
Q

No cyst form

A

Entamoeba gingivalis

49
Q

Nucleus with eccentric karyosome (non patho)

A

Endolimax nana

50
Q

Punched out/crossed eyed nuclei

A

Endolimax nana

51
Q

No peripheral chromatin

A

Endolimax nana

52
Q

Comma shaped CB if present

A

Endolimax nana

53
Q

Ground glass cytoplasm

A

Endolimax nana

54
Q

Glycogen mass ½ to 2/3 of its size

A

Iodamoeba butschlii

55
Q

Stained deep mahogany brown by Lugol’s

Iodine

A

Iodamoeba butschlii

56
Q

With achromatin granules

A

Iodamoeba butschlii

57
Q

Cyst and trophozoite only possess a single

nucleus

A

Iodamoeba butschlii

58
Q

Mistaken as Blastocystic hominis

A

Iodamoeba butschlii

59
Q

Non pathogenic amoeba (5)

A 
E. coli
E. hartmanni
E. gingivalis 
Endolimax nana
Iodamoeba butschlii
60
Q

Opportunistic Amoeba

A

Acanthamoeba species

Naegleria fowleri

61
Q

Ubiquitous in nature

A

Acanthamoeba species

62
Q

Granulomatous amoebic encephalopathy

GAE

A

Acanthamoeba species

63
Q

Associated with amoebic keratitis

A

Acanthamoeba species

64
Q

With spine like projections

A

Acanthamoeba species

65
Q

slightly wrinkled ectocyst

A

A. culbertsoni

66
Q

delicate looking acanthopodia

A

A. polyphaga

67
Q

wrinkled ectocyst

A

A. castellani

68
Q

folded ectocyst

A

A. astronyxis

69
Q

examine CSF, brain tissue to see

A

Flagellated form of N. fowleri

Parasitology (1 decks)

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