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Parasitology > Lec 2 > Flashcards

Lec 2 Flashcards

1
Q

Bodonidae

A

2 flagella

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2
Q

Trypanosomatidae

A

1 flagellum

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3
Q

Tetramitidae

A

3 anterior flagella with 4th trailing flagellum

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4
Q

Trichomonadidae

A

3 to 5 flagella

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5
Q

Hexamitidae

A

6 or 8 flagella

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6
Q

Chilomastigidae

A

3 anterior flagella with 4th delicate flagellum

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7
Q

Give the 4 phyla of Kingdom Protista

A

Phylum Sarcomastigophora
Phylum Ciliophora
Phylum Microsporida
Phylum Apicomplexa

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8
Q

The Sub Phylum of Phylum Sarcomastigophora

A

Mastigophora

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9
Q

Give the 2 classes under Phylum Sarcomastigophora

A

Phytomastigophora
Zoomastigophora

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10
Q

This Class has chromatophores/plastids

A

Phytomastigophora

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11
Q

This Class does not have plastids

A

Zoomastigophora

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12
Q

Cytoplasmic structures that give color to cytoplasms

A

Chromatophores/Plastids

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13
Q

From what Family is:
Retortamonas intestinalis

A

Bodonidae

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14
Q

From what Family:
Trypanosomes

A

Trypanosomatidae

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15
Q

From what Family:
Leishmania

A

Trypanosomatidae

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16
Q

From what Family:
Enteromonas hominis

A

Tetramitidae

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17
Q

From what Family:
Trichomonas vaginalis

A

Trichomonadidae

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18
Q

From what Family:
Dientamoeba fragilis

A

Trichomonadidae

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19
Q

From what Family:
Giardia lamblia

A

Hexamitidae

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20
Q

From what Family:
Chilomastix mesnili

A

Chilomastigidae

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21
Q

Give the synonym(s) of:
Chilomastix mesnili

A

Cercomonas hominis
Chilomastix hominis

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22
Q

Give the synonym(s) of:
Giardia lamblia

A

Cercomonas intestinalis
Giardia intestinalis
Giardia duodenalis

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23
Q

It is actively motile with progressive movement

A

Dientamoeba fragilis

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24
Q

It has a boring and spiral forward movement.

A

Chilomastix mesnili

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25
Q

It has leaf-like motility.

A

Giardia lamblia

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26
Q

Has both trophozoite and cyst form:

A. Chilomastix mesnili
B. Giardia lamblia
C. Dientamoeba fragilis
D. A & B
E. B & C

A

D

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27
Q

Trophozoite:
- mononucleated
- pyriform/pear-shaped

Cyst:
- mononucleated
- lemon-shaped

A

Chilomastix mesnili

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28
Q

Trophozoite:
- 1 or 2 rosette-shaped nuclei
- no prominent flagella

A

Dientamoeba fragilis

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29
Q

Trophozoite:
- binucleated
- pyriform/pear-shaped
- axonemes

Cyst:
- 2 to 4 nuclei
- ellipsoid/oval

A

Giardia lamblia

30
Q

Habitat of Giardia lamblia

A

Small intestine

31
Q

Habitat of Chilomastix mesnili

A

Colon, cecal region of large intestine

32
Q

Habitat of Dientamoeba fragilis

A

Appendix, cecum, upper colon

33
Q

Infective stage/form:
Giardia lamblia

A

Quadrinucleated mature cyst

34
Q

Infective stage/form:
Dientamoeba fragilis

A

Mature trophozoite

35
Q

Infective stage/form:
Chilomastix mesnili

A

Mature cyst

36
Q

Pathogenesis:
Giardia lamblia

A

Pathogenic: Giardiasis

37
Q

Pathogenesis:
Chilomastix mesnili

A

Non-pathogenic

38
Q

Pathogenesis:
Dientamoeba fragilis

A

Non-pathogenic

39
Q

Uses giemsa stain, MIF stain, trichrome stain

A

Giardia lamblia

40
Q

Uses iodine stain, Mayer’s hematoxylin, giemsa stain

A

Chilomastix mesnili

41
Q

Uses giemsa stain, iron hematoxylin, trichrome stain

A

Dientamoeba fragilis

42
Q

Mode of transmission is ingestion:

A. Giardia lamblia
B. Chilomastix mesnili
C. Dientamoeba fragilis
D. Trichomonas hominis

A

ALL

43
Q

Mode of transmission:
Giardia lamblia

A

Ingestion

44
Q

Mode of transmission:
Chilomastix mesnili

A

Ingestion

45
Q

Mode of transmission:
Dientamoeba fragilis

A

Ingestion

46
Q

Give the treatments for Giardiasis

A

Oral metronidazole
Tinidazole
Furazolidone
Quinacrine
Paramomycin

47
Q

Another name for Trichomonas hominis

A

Pentatrichomonas hominis

48
Q

Infective stage/form:
Trichomonas hominis

A

Mature trophozoite

49
Q

Trophozoite:
- pyriform
- mononucleated

A

Trichomonas hominis, Chilomastix mesnili, Trichomonas vaginalis, Trichomonas tenax

50
Q

Rapid forward movement with remarkable pseudopodial extension.

A

Trichomonas hominis

51
Q

TRUE OR FALSE:
Trichomonas hominis has a cyst stage

A

FALSE

52
Q

Known as 2nd most common intestinal flagellate next to Giardia lamblia

A

Trichomonas hominis

53
Q

Stains for:
Trichomonas hominis

A

Iron hematoxylin
Trichrome

54
Q

TRUE OR FALSE:
Trichomonas hominis is pathogenic while Trichomonas vaginalis is non-pathogenic.

A

FALSE

T. hominis = non-pathogenic
T. vaginalis = pathogenic

55
Q

Trophozoite:
- mononucleated
- cork screw motility

A

Trichomonas vaginalis

56
Q

This flagellate inhabits the male and female urogenital tracts.

A

Trichomonas vaginalis

57
Q

These flagellates inhabit the cecal area of the large intestine.

A

Chilomastix mesnili
Trichomonas hominis
Dientamoeba fragilis

58
Q

Sexual intercourse is the mode of transmission.

A

Trichomonas vaginalis

59
Q

Infective stage/form:
Trichomonas vaginalis

A

Mature trophozoite

60
Q

Pathogenesis:
Trichomonas vaginalis

A

Pathogenic: Trichomoniasis

61
Q

Pathogenesis:
Trichomonas hominis

A

Non-pathogenic

62
Q

Stains used on Trichomonas vaginalis.

A

Trichrome stain
PAP’s stain
Giemsa stain

63
Q

Treatments for Trichomoniasis.

A

Metronidazole
Tinidazole

64
Q

TRUE OR FALSE:
Tinidazole is the drug of choice for pregnant women.

A

FALSE

Correct answer: Metronidazole

65
Q

It is the common name for Trichomonas Tenax.

A

Oral trichomonas

66
Q

TRUE OR FALSE:
Trichomonas tenax is non-pathogenic.

A

TRUE

67
Q

This Trichomonas sp. inhabits the mouth.

A

Trichomonas tenax

68
Q

Infective stage/form:
Trichomonas tenax

A

Mature trophozoite

69
Q

Mode of transmission:
Trichomonas tenax

A
  • droplet
  • kissing
  • ingestion
  • common use of dishes & drinking glasses
70
Q

Specimen source of Trichomonas tenax.

A
  • tatar between teeth
  • gingival scraping
71
Q

Specimen source of Trichomonas vaginalis.

A
  • urine
  • vaginal secretions & scraping
  • urethral secretions & scraping
  • cervical secretions & scraping

Parasitology (5 decks)

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