Trichomonads

Question 1

Which genera of Trichomonads has 4 anterior flagella?

Answer 1

Trichomonas or Tetratrichomonas

Question 2

Which genera of Trichomonads has 5 anterior flagella?

Answer 2

Pentatrichomonas

Question 3

Name the etiologic agent of bovine trichomoniasis

Answer 3

Trichomonas foetus

Question 4

In which tissues/organs do Trichomonas foetus typically reside?

Answer 4

Uterus
Genitals
Preputial cavities of bulls

Question 5

What are the possible means of transmission of T. foetus?

Answer 5

Coitus
Artificial Insemination
Mechanical

Question 6

Name at least 2 drugs of choice for bulls infected with Trichomonas foetus

Answer 6

dimetridazole, metronidazole

Question 7

Name the etiologic agent of Feline Tricomoniasis

Answer 7

Tritrichomonas foetus

Question 8

Tritrichomonas foetus are commensals of which body part of pigs?

Answer 8

Nasal passage
Stomach
Cecum
Colon

Question 9

It is the most common pathogenic protozoan infection of humans in industrialized countries.

Answer 9

Tritrichomonas vaginalis

Question 10

Name the etiologic agent of Human Trichomoniasis

Answer 10

Tritrichomonas vaginalis

Question 11

Largest trichomonads of pigs known as non-pathogenic present in nasal pathways and GIT

Answer 11

Tritrichomonas suis

Question 12

Give the host and predilection site of Tritrichomonas eberthi

Answer 12

Poultry - cecum

Question 13

Give the host and predilection site of Tritrichomonas equi

Answer 13

Horses - cecum and colon

Question 14

Name the etiologic agent of Avian Trichomoniosis

Answer 14

Trichomonas gallinae

Question 15

Give the predilection site of Trichomonas gallinae.

Answer 15

Upper digestive tract

Question 16

Give the primary transmission of Avian Trichomoniasis

Answer 16

Via pigeon’s milk

Question 17

Yellow buttons in upper digestive tract is a primary lesion of which causing disease protozoa?

Answer 17

Trichomonas gallinae

Question 18

Avian Trichomoniasis infection in chickens is termed as?

Answer 18

Canker

Question 19

Avian Trichomoniasis infection in raptors is termed as?

Answer 19

Frounce

Question 20

Give the hosts and predilection sites of Trichomonas gallinarum

Answer 20

Chickens, Turkey, Guinea Fowls - Lower Intestine, Liver

Question 21

Non-pathogenic genera of Trichomonads with 5 anterior flagella, seen in intestine of man & primates

Answer 21

Pentatrichomonas

Question 22

Give the predilection sites of Chilomastix C. mesnili, a non-pathogenic spp of man and primates

Answer 22

Cecum & colon

Question 23

What are the predilection sites of Histomonas meleagridis in affected turkeys?

Answer 23

Cecal mucosa
Liver parenchyma

Question 24

Histomonas meleagridis is flagellated in which tissues?

Answer 24

Cecal lumen

Question 25

Name the organs/tissues where the locomatory organ of Histomonas meleagridis is pseudopodia

Answer 25

Cecal tissue Liver

Question 26

Name a cecal worm Histomonas meleagridis is attracted to:

Answer 26

Heterakis eggs

Question 27

Name the diseases caused by Histomonas meleagridis

Answer 27

Blackhead disease or Enterohepatitis or Histomoniosis

Question 28

Which genus of protozoa causes bovine trichomoniasis?

Answer 28

Tritrichomonas

Question 29

What is a common clinical sign of Trichomonas gallinae infection in birds?

Answer 29

Yellow buttons in the upper digestive tract

Question 30

Histomonas meleagridis primarily affects which animal?

Answer 30

Turkeys

Question 31

What is the vector of leishmania?

Answer 31

Sand flies

Question 32

What is the primary route of transmission of Tritrichomonas foetus in cats?

Answer 32

Fecal-oral

Question 33

What are the “yellow buttons” that are seen with Trichomonas gallinae? a) Skin pustules b) Caseous necrotic lesions in the upper digestive tract c) Liver granulomas d) Intestinal polyps

Answer 33

Caseous necrotic lesions in the upper digestive tract

Question 34

What is the intermediate host of Histomonas meleagridis?

Answer 34

Heterakis gallinarum (cecal worm)

Question 35

What is the primary method of reproduction for trichomonads?

Answer 35

Binary fission

Question 36

What is the main location of Tritrichomonas foetus in bulls?

Answer 36

Preputial cavities

Question 37

Which protozoa has amastigote and promastigote stages? a) Trypanosoma brucei b) Tritrichomonas foetus c) Leishmania sp. d) Histomonas meleagridis

Answer 37

Leishmania sp.

Question 38

What is the primary role of Heterakis gallinarum in the life cycle of Histomonas meleagridis?

Answer 38

It serves as a paratenic host, encapsulating the protozoa.

Question 39

Which mechanism of protozoan damage involves the direct ingestion of host tissues through a temporary opening?

Answer 39

Pinocytosis

Question 40

Which protozoan species is associated with "blackhead disease" in turkeys? a) Trichomonas gallinae

Answer 40

Histomonas meleagridis