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Flashcards in Protozoa Deck (16)
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1
Q

True or False: Protozoa are considered prokaryotic organism.

A

FALSE

They are Eukaryotic organisms.

2
Q

When an animal is found with a large amounts of protozoa, what is that called?

A

It is called an infection, becaue protozoa are endoparasites.

3
Q

What is common amoung many protozoa?

A

Many of them are Zoonotic

Toxoplasma

Cryptosporidium

Giardia

Balantidium

Entomeoba

Leishmania

Trypanosoma

4
Q

Identify this protozoa

A

Giardia

5
Q

Name two Ciliated Protozoa

A

Balantidium coli.

Icthyophthirius spp.

6
Q

What species are ciliated protozoa considered commensals?

A

Ruminants and Horses

7
Q

What species is usually the source of human infection of Balantidium coli?

A

PIGS

8
Q

Describe the life cycle of Balantidium coli:

A
9
Q

When you do a direct smear, what are you looking for? (i.e.What is beneficial of a direct smear?)

A

So that you can observe the presence of Trophozoites

10
Q

When would you see cysts, but not trophozoites?

A

When you do a Fecal Flotation

11
Q

What species does ichthyophthirus like to infect?

A

FISH

(White spot or “Ich”)

12
Q

Name the two amoeba we talked about in class

A

Entamoeba Hemolytica

Entamoeba invadens

13
Q

Entamoeba Hemolytica is most common in what species?

A

Humans and non-human primates

14
Q

Identify this organism? What family is it?

A

Entamoeba Hemolytica

20-30mcm, one small nucleus, and a centrally located endosome

15
Q

True or False: Entameoba Hemolytica is a zoonotic endoparasite.

A

TRUE

Usually humans are the source for infection for domestic animals.

16
Q

Name the Flagellated Protozoa:

A

Giardia

Trichomonads (cattle, cats: tritrichomonas Foetus)

Histomonas meleagrids