3. Protozoa (I) Flashcards Preview

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Flashcards in 3. Protozoa (I) Deck (38):
1

Disease caused by E. histolytica

Amoebic dysentery (amoebiasis)

2

IS of E. histolytica

Cysts

3

DS of E. histolytica

Cysts
Trophozoites

4

Number of nuclei of E. histolytica cysts

1-4 nuclei

5

Diagnostic characteristic for E. histolytica trophozoites

Ingested RBCs

6

Nonpathogenic protozoan identical to E. histolytica

Entamoeba dispar

7

DS of Entamoeba coli

Cysts
Trophozoites

8

Characteristic of E. coli cysts that differentiate it from E. histolytica

More than 4 nuclei (1-8 nuclei normally)

9

Known as "small race" E. histolytica

Entamoeba hartmanni

10

DS of E. hartmanni

Cysts
Trophozoites

11

Protozoan with blot-like karyosome in both cyst and trophozoite stages

Endolimax nana

12

DS of E. nana

Cysts
Trophozoites

13

Protozoan with "basket of flowers"-shaped nucleus in cyst form

Iodameoba bütschlii

14

Protozoan that stains well with iodine

Iodamoeba bütschlii

15

DS of I. bütschlii

Cysts (recognizable glycogen mass using iodine stain)
Trophozoites

16

Protozoan that causes granulomatous amoebic encephalitis (GAE)

Acanthamoeba spp.

17

Protozoan that causes primary amoebic meningoencephalitis (PAM)

Naegleria fowleri

18

Protozoan with a double cell-walled cyst form

Acanthamoeba spp.

19

Disease caused by Acanthamoeba spp.

Granulomatous amoebic encephalitis (GAE)

20

Disease caused by N. fowleri

Primary amoebic meningoencephalitis (PAM)

21

Protozoans with no known cyst form

N. fowleri
D. fragilis
T. hominis
T. vaginalis

22

The only amoeba with 3 known morphologic forms

N. fowleri:

- ameboid trophozoites (only form to exist in humans)
- flagellates
- cysts

23

True/False. N. fowleri can be free living.

True

24

Causes Traveler's diarrhea

Giardia lamblia

25

Other names of G. lamblia

G. intestinalis
G. duodenalis

26

IS of G. lamblia

Cysts

27

DS of G. lamblia

Cysts
Trophozoites

28

Has trophozoites with sucking disk

G. lamblia

29

Associated with E. vermicularis infections; may be transmitted via the eggs of helminth parasites

Dientamoeba fragilis

30

IS of D. fragilis

Trophozoites

31

Trophozoite has spiral groove

Chilomastix mesnili

32

DS of C. mesnili

Cysts
Trophozoites

33

Trophozoite has costa

Trichomonas hominis

34

DS of T. hominis

Trophozoites

35

Jerky motility of trophozoites

Trichomonas vaginalis

36

IS of T. vaginalis

Trophozoites

37

DS of T. vaginalis

Trophozoites

38

The only amoeba pathogenic to the GI tract

Entamoeba histolytica