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PARA > Protozoans > Flashcards

Protozoans Flashcards

1
Q

Bull’s eye clean amoeba (centrally located karyosome w/ evenly distributed chromatin)

A

E. histolytica (troph)

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2
Q

Eccentrically located karyosome w/ unevenly distributed peripheral chromatin

A

E. coli (troph)

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3
Q

Pseudopods are finger-like and moves one at a time to produce progressive directional movement

A

E. histolytica (troph)

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4
Q

There are several pseudopods coming out several times which produces a non-progressive & non-directional

A

E. coli (troph)

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5
Q

Cross-eyed cyst (blot-like karyosome)

A

E. nana

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6
Q

Contains achromatic granules

A

I. butschlii

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7
Q

All have cystic stage except for

A

E. gingivalis

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8
Q

All inhabit the intestine except

A

E. gingivalis

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9
Q

All are commensal (non-pathogenic) except for

A

E. histolytica

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10
Q

Most frequent parasite encountered in urine

A

T. vaginalis

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11
Q

Exhibits Brownian movement/Hakansson phenomenon

A

Dientamoeba fragilis

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12
Q

Cyst that possess a clear anterior hyaline knob

A

Chilomastix mesnili

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13
Q

Is a pear-shaped troph with 4 flagella & a structure bordering the cytosome resembling a “shepherd’s crook”

A
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14
Q

Trophozoite that contains siderophil granules within its axostyle

A

Trichomonas vaginalis

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15
Q

A stage present in hemoflagellates that can only be seen in arthropod’s midgut?

A

Epimastigote

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16
Q

Culture medium for leishmania & trypanosoma

A

Novy-Nicole-McNeal Medium

17
Q

5 conditions which can make a person be resistant to malaria

A
  • Fy (a-b-)
  • M-N-
  • G6PD deficiency
  • Hemoglobinopathies
  • Thalassemia
18
Q

Exhibit maltese cross appearance

A

Babesia

19
Q

Most common form of Blastocytis hominis

A

Vacuolar form

20
Q

What stain is used for Pneumocystis jiroveci

A

Gomori’a methanamine silver nitrate
Giemsa & Iron hematoxylin

21
Q

Shows partial positive staining with acid-fast stain

A

Microsporidia

PARA (6 decks)

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