Quiz 2

Question 1

Different forms of Trypanosomes and where they found

Answer 1

Typomstigote (extracellular mammals)

Epimastigote/Promastigote (intermediate host)

Amastigote (intracellular mammals)

Question 2

Intermediate host of Trypanosoma cruzi**

Answer 2

KISSING BUG

Question 3

Is transmission Trypanosoma cruzi direct or indirect**

Answer 3

INDIRECT

Question 4

How you contract Trypanosoma cruzi (3)**

Answer 4

Fecal-oral
Transmammary
Transplacental

Question 5

3 forms of Leishmania**

Answer 5

1) Cutaneous
2) Mucocutaneous
3) Visceral

Question 6

Eimeria affects which species (5)

Answer 6

Llama/alpaca**
Ruminants
Chickens
Rabbit
Reptile

Question 7

Morphology of Eimeria cysts***

Answer 7

4 SPOROCYSTS
2 SPOROZOITES

(be able to draw)

Question 8

Morphology of Isospora cysts***

Answer 8

2 SPOROCYSTS
4 SPOROZOITES

(be able to draw)

Question 9

What are the 2 theories of bovine coccidosis

Answer 9

1) Loss of Mg, Ca

2) Neurotoxin produced

Question 10

T/F Trypanosoma cruzi is zoonotic

Answer 10

TRUE

Question 11

Dx Trypanosoma cruzi (give 2)

Answer 11

BLOOD SMEAR (can see the the trypomastigote)
C/S
ELISA

Question 12

C/S Trypanosoma cruzi

Answer 12

Chagoma
Romana’s sign
Myocarditis (dogs)
etc…

Question 13

Which species does Trypanosoma equiperdum affect

Answer 13

Equids

Question 14

Transmission of Trypanosoma equiperdum

Answer 14

Coitus

Question 15

Lifecycle of Trypanosoma equiperdum

Answer 15

Direct

Question 16

Is Trypanosoma zoonotic

Answer 16

NO

Question 17

Is Trypanosoma reportable

Answer 17

YES

Question 18

C/S Trypanosoma equiperdum

Answer 18

Silver dollar plaques (pathognomic)
Genital edema

Vaginitis
Scrotal swelling

Question 19

Can Trypanosoma equiperdum cause mortality

Answer 19

YES if left untreated

Question 20

What is pathognomic lesion of Trypanpanosoma equiperdum

Answer 20

Silver dollar plaques - edematous subcutaneous plaques

Question 21

Dx Trypanosoma equiperdum

Answer 21

Blood smears

EDTA samples

Question 22

Intermediate host of Trypanosoma equiperdum

Answer 22

NONE! Direct! Only affects equids!

Question 23

Definitive host Leishmania

Answer 23

Mammals

Question 24

Intermediate host Leishmania

Answer 24

Sand flies

Question 25

Vector Leishmania

Answer 25

Sand flies

Question 26

What does Leishmania have instead of Epimastigotes?

Answer 26

Promastigotes

Question 27

T/F - leishmania lack tryptomastigotes

Answer 27

TRUE

Question 28

C/S cutaneous leishmania

Answer 28

Vasculitis, arthritis Immune mediated via IgG Round lesions on muzzle, footpad No visceral involvement (!)

Question 29

C/S mucocutaneous leishmania

Answer 29

skin ulcers | nose sloughing

Question 30

C/s visceral leishmania

Answer 30

Dermal leishmanoid Wasting Non-regenerative anemia Fatal!

Question 31

Which type of leishmania can be fatal

Answer 31

Visceral

Question 32

Dx Leishmania

Answer 32

Montenegro Test Blood smears (see the organism) ELISA

Question 33

Which parasite causes bloody diarrhea

Answer 33

Apicomplexa

Question 34

Which parasite causes yellow diarrhea

Answer 34

Isospora

Question 35

Which parasite causes green diarrhea

Answer 35

Eimeria

Question 36

C/S coccidiosis/Apicomplexa

Answer 36

Bloody diarrhea in calves | Rectal prolapse

Question 37

What can occur secondary to coccidiosis

Answer 37

Pneumonia | Enteritis

Question 38

Transmission Eimeria

Answer 38

Direct

Question 39

C/S coccidiosis in camelids

Answer 39

loss weight | diarrhea

Question 40

C/s Eimeria in horses

Answer 40

NONE! Incidental finding

Question 41

Dx Eimera

Answer 41

Fecal float Histopathology - Villous atrophy - Sloughing

Question 42

Is Isospora species specific?

Answer 42

Yes - dogs, cats, piglets, reptiles

Question 43

Which species can get isospora and eimera? How would you differentiate which?

Answer 43

Reptiles! Eimera have 4 cysts with 2 zoites Isospora have 2 cysts with 4 zoites

Question 44

Which species has high morbidity and mortality with Isospora

Answer 44

Pigs (young piglets)

Question 45

Is Isospora direct or indirect

Answer 45

Direct except. . 1) Hypnozoite --> tissue of paratenic host 2) Sperzoite/merzoite --> dog, cat, human

Question 46

C/S Isospora

Answer 46

Diarrhea (yellow in piglets) Weight loss Enteritis/Colitis

Question 47

Dx Isospora

Answer 47

Fecal float for oocyst PCR Mucosa scrape