Protozoa

Question 1

What is coccidiosis caused by?

Answer 1

Cystoisospora

Question 2

What form of Leishmania affects several internal organs, including the spleen, liver, and bone marrow?

Answer 2

Visceral form

Question 3

How does Giardia transmit to another host?

Answer 3

Passed through the feces
Gets into the water or picked up from the contaminated ground
Ingested by either new host or same host

Question 4

What type of protozoan is Giardia?

Answer 4

Flagellated

Question 5

What animal is the definitive host of Toxoplasma?

Answer 5

Cats

Question 6

What is the prepatent period of coccidia?

Answer 6

7-14 days

Question 7

The Mucocutaneous form of Leishmania is caused by what species?

Answer 7

L. braziliensis

Question 8

What is the protozoa that has a “smiley face?”

Answer 8

Giardia

Question 9

What for of Leishmania causes skin sores?

Answer 9

Mucocutaneous

Question 10

Tritichomonas foestus resides in what part of the body within the bull and cow?

Answer 10

Prepuce of the bull

Vagina, cervix, and uterus of cows

Question 11

What type of egg is oval and slightly resembles a boat?

Answer 11

Giardia

Question 12

Trichomonas gallinae causes what in birds?

Answer 12

Necrotic ulcerations in the esophagus, crop and proventriculus

Question 13

Reproduction of protozoa can be?

Answer 13

Asexual

Sexual

Question 14

What are the organelles for locomotion in protozoa?

Answer 14

Flagella

Cilia

Question 15

What are the three forms of Leishmania?

Answer 15

Mucocutaneous
Cutaneous
Visceral

Question 16

How is Babesia transmitted?

Answer 16

Ticks
Blood transfer from dog bites
Blood transfusions
Transplacental transmission

Question 17

What is a Hemoprotozoa?

Answer 17

Blood protozoa

Question 18

Leishmania is what type of protozoa?

Answer 18

Hemoprotozoa

Question 19

Protozoa that are found in fecal material are known as what kind of protozoa?

Answer 19

Intestinal protozoa

Question 20

What is the prepatent period for Isospora suis?

Answer 20

4-8 days

Question 21

The sand fly carries what stage of Leishmania?

Answer 21

Promastigotes

Question 22

What are Apicomplexans, there are about 4,600 species

Answer 22

Sporozoans

Question 23

How is Leishmania transmitted?

Answer 23

Phlebotomus

Lutzomyia ( sandflies)

Question 24

How is Babesia diagnosed?

Answer 24

By observing the basophilic, pear-shaped trophozoites in the RBC’s on a stained blood smear.

Question 25

Leishmania lifecycle

Answer 25

Parasite is transmitted via a bite from insect vector Promastigotes are phagocyted by the host's macrophages Promastigotes multiply by binary fission and develop into amastigote stage Released when cell ruptures Amastigotes are phagocyted by other macrophages In tissues and picked up flies Develop into promastigotes in sandflies

Question 26

The visceral form of Leishmania is caused by what species?

Answer 26

L. donovani | L. infantum

Question 27

What clinical signs can Tritrichomonas foestus cause?

Answer 27

Infertility Spontaneous abortion Pyometra

Question 28

What is the name of the coccidian that parasitizes the small intestine of swine, especially young piglets?

Answer 28

Isospora suis

Question 29

What is the parasite of the reproductive tract of cattle?

Answer 29

Tritrichomonas foetus

Question 30

What stage do the promastigote develop into when inside the macrophage?

Answer 30

Amastigote

Question 31

This intracellular parasite is found within the erythrocytes of dogs

Answer 31

Babesia

Question 32

What obligate intracellular gram-negative bacteria is transmitted through a tick?

Answer 32

Rickettsia

Question 33

What protozoa should women be concerned about contracting with they are pregnant?

Answer 33

Toxoplasma

Question 34

What is a trophozoite?

Answer 34

Motile feeding stage of the protozoal parasite

Question 35

What are the symptoms of Cryptosporidium?

Answer 35

``` Watery diarrhea Stomach cramps or pain Dehydration Nausea Vomiting Fever Weightloss ```

Question 36

What protozoa is found in crop washes and crop swabs from pigeons, doves, and poultry?

Answer 36

Trichomonas gallinae

Question 37

What are the two morphological forms of giardia?

Answer 37

Motile feeding stage | Resistant stage

Question 38

Toxoplasma is caused by what species of protozoa?

Answer 38

Coccidia

Question 39

What is the resistant morphological form of Giardia?

Answer 39

Cyst

Question 40

What kind of hosts do ticks serve as and what do the RBCś contain?

Answer 40

Intermediate | Trophozoites