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BIOL 4092 - Parasitology Lab > Exam 3 - Protozoa Summary 1 > Flashcards

Exam 3 - Protozoa Summary 1 Flashcards

1
Q

The trophozoite of the Entamoeba histolytica is a…

A

Centric endosome in the nucleus.

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2
Q

The cysts of the Entamoeba histolytica are…

A
  • up to 4 nuclei;
  • blunt end chromatoidal bars (immature cyst)
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3
Q

The Entamoeba histolytica feeds on…

A

RBC, bacteria.

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4
Q

The pathogenicity of Entamoeba histolytica is what?

A

Bloody diarrhea; ulcerative colitis. Abscess in lung/heart/liver (exo-intestinal infection)

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5
Q

The trophozoite of the Entamoeba coli is…

A

An eccentric endosome in the nucleus.

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6
Q

The cysts of Entamoeba coli are…

A

* 4-8 nuclei;

* splintered end chromatoidal bar (immature cyst)

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7
Q

The Entamoeba coli feeds on what?

A

Bacteria

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8
Q

The pathogenicity of Entamoeba coli is….

A

Non-pathogenic

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9
Q

The trophozoite of the Endolimax is…

A

a prominent endosome

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10
Q

The cysts of Endolimax are…

A

oval/small;

up to 4 nuclei.

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11
Q

The Endolimax feeds on…

A

bacteria

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12
Q

The pathogenicity of Endolimax is…

A

non-pathogenic

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13
Q

The trophozoite of the Iodamoeba butschlii is…

A

A prominent endosome

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14
Q

The cysts of Iodamoeba butschlii are…

A

* Very big

* One big vacuole;

* Prominent crescent shape endosome

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15
Q

The Iodamoeba butschlii feeds on…

A

bacteria

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16
Q

The pathogenicity of the Iodamoeba butschlii is…

A

Non-pathogenic

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17
Q

The trophozoite of the Entamoeba gingivalis is…

A

The infective stage

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18
Q

The cysts of the Entamoeba gingivalis is…

A

None.

19
Q

The Entamoeba gingivalis feeds on…

A

N/A

20
Q

The pathogenicity of the Entamoeba gingivalis is…

A

Non-pathogenic.

21
Q

What type of organism is this?

A

Trophozoite of Entamoeba histolytica

22
Q

What is 1?

A

Endosome

23
Q

What is 2?

A

Nucleus

24
Q

Describe in one word the endosome of the trophozoite of Entamoeba histolytica.

A

centric

25
Q

A typical protozoite can survive in the body. True or false?

A

False.

26
Q

How does infection occur from Entamoeba histolytica? This can cause what?

A

Cyst is ingested in fecally contaminated food or water; diarrhea

27
Q

Entamoeba histolytica can cause _____ to the patient and sometimes can reach in the ___.

A

complications; brain

28
Q

What type of organisms are these?

A

Cysts of Entamoeba histolytica.

29
Q

What is C?

A

Chromatoidal bars

30
Q

What is N?

A

Immature cysts of Entamoeba histolytica

31
Q

What is 3?

A

Mature cysts of Entamoeba histolytica

32
Q

How do you know when the cysts of Entamoeba histolytica are mature?

A

The more mature, the more nuclei.

33
Q

What are the maximum nuclei that a cyst of Entamoeba histolytica can have?

A

4

34
Q

What is the life cycle of Entamoeba?

A

Ingestion of cyst of contaminated food or water -> Exocyst in the intestine -> Trophozoite -> Encyst and released with feces

35
Q

What means of mobility is the Entamoeba?

A

Phagocytosis / pseudopodia

36
Q

Describe the trophozoite of Balantidium coli.

A

Cilia, cytosome, kidney-shaped, macromolecules, micronucleus

37
Q

Describe the cyst of Balantidium coli.

A

Kidney shape; macronucleus in cyst.

38
Q

The Balantidium coli feeds on…

A

bacteria

39
Q

What is the pathogenicity of Balantidium coli?

A

Pathogenic; diarrhea colitis

40
Q

In one word, describe the endosome on these two trophozoites. Name the protozoa.

A

centric; Entamoeba histolytica.

41
Q

a) What is c?
b) Describe in two words what c is.
c) What parasite describes this cyst?

A

Chromatoidal bar; blunt end; Entamoeba histolytica.

42
Q

a) What is the arrow pointing?
b) Describe b.
c) What parasite has this cyst?

A

Chromatoidal bar; splintered end; Cyst of Entamoeba coli

43
Q

a) What parasite is this?
b) Why could it be or not be E. histolytica?

A

Entamoeba coli; it is > 4

BIOL 4092 - Parasitology Lab (11 decks)

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