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Parasitology > Protozoan > Flashcards

Protozoan Flashcards

1
Q

Life cycle class Rhizopoda

A

Trophozoite>Precystic>Cystic>Metacystic stage

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2
Q

Soecial organs for locomotion of protozoan

A

Hemotogranules

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3
Q

True amoeba
Peripheral chromatin
Chromatoidal bars

A

Entamoeba

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4
Q

Other amoeba
No peripheral chromatin
No chromatoid bars

A

Endolimax/Iodamoeba

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5
Q

Cyst of E. Histolytica

A

Matue cyst with 1-4 nuclei

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6
Q

Cyst of E. Coli

A

Matue cyst with 1-8 nuclei

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7
Q

Smallest amoeba

A

Endolimax nana

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8
Q

Karyosme of E. Nana

A

Large round dot

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9
Q

Nuclei of cyst of E. Nana

A

4 (cross eyed)

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10
Q

Karyosome lf Iodamoeba butschlii and Iodamoeba williamsi

A

With cluster of achromatic granules

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11
Q

Cyst of I. Butschlii and I. Williamsi

A

Large iodine-staining glycogen vacuole

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12
Q

Associated with gum infection

A

Entamoeba gingivalis

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13
Q

Major causative agent PAM (Primary Amebic Meningoencephalitis)
Acquired while diving and swimming during hot weather in brackish/freshwater

A

Naegleria fowleri

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14
Q

Causes keratitis ( from contaminated contact lens care solution)
Causes GAE (Granulomatous Amebic Encephalitis)

A

Acanthamoeba

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15
Q

Possesses whip like locomotory organelle called flagella

A

Mastigophora (Flagellata)

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16
Q

Digestive tract and Genital flagellates

A

Enteromonas hominis
Embadomonas intestinalis
Chilomastix mesnili
Giardia lamblia
Trichomonas homins
Trichimonas vaginalis
Trichomonas tenax

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17
Q

Blood and tissue flagellates

A

Leishmania tropica
Leishmania braziliensis
Leishmania donoani
Trypanosoma rhodesiense
Trypanosoma gambiense
Trypanosoma cruzi

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18
Q

Cleftlike cytosome

A

Embadomonas intestinalis

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19
Q

Associated with Gay bowel syndrome
Falling leaf motility
Old man’s face/ old man w/ eyeglasses

A

Giardia lamblia
Lamblia intestinalis

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20
Q

Habitat of Trichomonas tenax

A

Oral cavity

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21
Q

Specimen for T. Tenax

A

Oral scrapings

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22
Q

Habitat of Trichomonas hominis

A

Intestine

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23
Q

Specimen for T. Hominis

A

Stool

24
Q

Habitat of Trichomonas vaginalis

A

Genitalia

25
Q

Specimen for T. Vaginalis

A

Urine, vaginal swab or discharge female), prostatic secretion (male

26
Q

Causes pingpong’s disease

A

T. Vaginalis

27
Q

Pathogenesis of T. Vaginalis in male and female

A

Male: carrier
1. Asymptomatic chronic urethritis
2. Epididymis, prostate and urethra
Female
1. Burning sensation
2. Feinberg-whittington medium

28
Q

Include the trypanosomes and leishmaniasis
May infect the blood, lymph nodes, muscles and RES

A

Hemoflagellates

29
Q

Leishman-Donovan body
Leishmanial form

A

Amastigote

30
Q

Leptomonal form
Anterior to nucleus

A

Promastigote

31
Q

Crithidial for,
Near nucleus

A

Epimastigote

32
Q

Trypanosomal form
Posterior to nucleus

A

Trypomastigote

33
Q

Agent of old world cutaneous leishmanias
Oriental sore
Aleppo button
Baghdad or Jericho boil
Dry lesions

A

Leishmania tropica

34
Q

Habitat of L. Tropica

A

Endothelial cells
Monocytes

35
Q

Vector of L. Tropica, L. Braziliensis, L. Donovani

A

Phlebotomis
Lutzomyia

36
Q

Pathology of L. Tropica

A

Localized cutaneous infection

37
Q

Agent of american mucocutaneous leishmaniasis
Esoundia
Bubas

A

Leishmania braziliensis

38
Q

Habitat of L. Braziliensis

A

Mucocutaneous junctions (nasal septum, mouth, pharynx)

39
Q

Pathology of L. Braziliensis

A

Wheeping lesions

40
Q

Lab diagnosis of L. Braziliensis

A

Dr. Montenegro’s (skin test)

41
Q

Visceral leishmaniasis
Kala-azar (black fever)
Dum-dum fever

A

Leishmania donovani

42
Q

Habitat of L. Donovani

A

Endothelial cells of RES
Macrophages

43
Q

Pathology of L. Donovani

A

Splenomegaly
Severe anemia

44
Q

Lab diagnosis of L. Donovani

A

Culture: NNN: Novy-McNeal-Nichole medium

45
Q

Agent of African sleeping sickness
East africa and West africa

A

EA: Trypanosoma rhodiense
WA: Trypanosoma gambiense

46
Q

Vector of T. Rhodiense & T. Gambiense

A

Glossona (tsetse fly)

47
Q

Inflammation/swelling of lymph nodes

A

Winterbottom sign

48
Q

Lab diagnosis of T. Rhodesiense and T. Gambiense

A
  1. Febrile stage: blood, lymph node aspirate
  2. Sleeping sickness stage: CSF
49
Q

Agent of american trypanosomiasis
Chagas disease

A

Trypanosoma cruzi

50
Q

vector if T. Cruzi

A

Triatomid bugs
Kissing bugs
Reduviid bugs
Assasin bugs
Cone nose bugs
Triatoma rubrofasciata

51
Q

Habitat of T. Cruzi

A

RES, cardiac muscle, CNS

52
Q

Unilateral swelling of eye lids

A

Romañas sign

53
Q

Lab diagnosis of T. Cruzi

A

Chang’s medium
Xenodiagnostic test

54
Q

Only significant ciliate

A

Balantidium coli

55
Q

MOT of B. Coli

A

Ingestion of cysts

Parasitology (5 decks)

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