1. you're called to a farm for a standardbred gelding that's ataxic and disoriented. you note that a stream
runs through the property. which of the following parasites is the most likely cause of the gelding's
symptoms?
a. balantidium coli
b. sarcocystis neurona
c. babesia caballi
d. trypanosoma cruzi

2. organisms that use the movement of tiny hairs all around their outer membrane for locomotion are
called
a. coccidians.
b. flagellates.
c. ciliates.
d. amoebas.
3. you perform a fecal exam on a puppy that has diarrhea. you observe several unsporulated oocysts.
what's the most likely diagnosis?
a. giardia trophozoite
b. trichomonas foetus
c. cystoisospora species
d. balantidium coli

4. this flagellated parasite is the most common protozoan seen in pet birds. it mostly affects cockatiels,
budgerigars, and lovebirds. what's the name of this parasite?
a. eimeria leuckarti
b. giardia psittaci
c. histomonas meleagridis
d. trichomonas gallinae

5. name one of the causative agents for coccidia in mice.
a. eimeria falciformis
b. cystoisospora ferrisi
c. eimeria muris
d. eimeria suis

6. cryptosporidium is a zoonotic parasite that infects the of several species of animals.
a. small intestine
b. colon
c. cecum
d. large intestine

7. flagellates move with their
a. whip-like appendages.
b. tiny hairs.
c. tentacles.
d. pseudopods.

8. which of the following statements about apicomplexans is the most accurate?
a. their range with regard to the number of animals they parasitize is highly limited.
b. they're the simplest of the protozoans.
c. they're found attached to blood cells.
d. their life cycles are complex and intimately integrated into the physiology of the host's body.

9. what's the intermediate host for babesia bigemina?
a. boophilus annulatus
b. rhipicephalus sanguineus
c. none, b. bigemina is a direct life cycle.
d. phlebotomine sandfly

10. which type of protozoans move via pseudopodia?
a. ciliates
b. apicomplexans
c. amoebae
d. flagellates

11. you observe a large coccidian oocyst in the feces of a clinically normal horse. which of the following
choices is your most likely diagnosis?
a. eimeria leuckarti
b. eimeria equi
c. cystoisospora ohioensis
d. eimeria zuernii

12. your doctor gives you a fecal sample from a dog with diarrhea. on microscopic observation, you see a
pear-shaped organism with flagella and two "eyes." what's the most likely diagnosis?
a. eimeria species
b. giardia species
c. cystoisospora species
d. toxoplasma gondii

13. in what part of the body of which birds does one find adult trypanosoma species?
a. in the crop wash of pigeons
b. intracellularly in the blood of pigeons
c. in the small intestines of doves
d. extracellularly in the blood of cockatoos

14. which one of the following parasites is sexually transmitted and can cause spontaneous abortion in
cattle?
a. tritrichomonas foetus
b. eimeria zuernii
c. cystoisospora felis
d. trypanosome species

15. an owner brings his cat to the clinic with a fever, lethargy, and yellow mucous membranes. a blood
smear shows "rings" in the red blood cells. the doctor diagnoses cytauxzoon felis. what's the intermediate
host for this parasite?
a. tick
b. reduviid insect
c. sandfly
d. mosquito

16. name the causative agent of ichthyophthiriasis in fish and the organ it affects.
a. ichthyophthirius multifiliis, gi tract
b. tetratrichomonas ichthiae, skin
c. ichthyophthirius multifiliis, skin
d. tetratrichomonas ichthiae, gi tract

17. on examining a fecal flotation from a cow, you see an oval oocyst with a micropyle. what's the most
likely diagnosis?
a. cystoisospora ohioensis
b. eimeria zuernii
c. cystoisospora felis
d. eimeria bovis

18. you're performing a fecal analysis on diarrheic feces obtained from a pig. you see a large ciliated
protozoan with a kidney-shaped macronucleus moving in the field. what organism are you seeing?
a. sarcocystis neurona
b. theileria equi
c. cystoisospora suis
d. balantidium coli
end of exam

19. what's the causative agent of equine protozoal myeloencephalitis?
a. trypanosoma cruzi
b. babesia caballi
c. sarcocystis neurona
d. klossiella equi

20. what organisms move using internal organelles of locomotion?
a. apicomplexans
b. flagellates
c. amoebas
d. ciliates