General

Question 1

What is the definitive host for Besnoitia species?

Answer 1

cat

Question 2

animals which can act as intermediate hosts for Besnoitia sp.

Answer 2

Horses, ruminants, rodents, and lizards

Question 3

predilection site for Besnoitia sp. in the intermediate host

Answer 3

Connective tissue of skin

Question 4

How many sporocysts and sporozoites are contained in a cyst of Besnoitia sp.?

Answer 4

2 sporocysts, each with 4 sporozoites

Question 5

In which regions is besnoitiosis endemic?

Answer 5

Tropical and sub-tropical regions

Question 6

Which Besnoitia species causes a serious dermatitis in horses and burros?

Answer 6

Besnoitia bennetti

Question 7

What is a notable symptom of besnoitiosis in horses?

Answer 7

Lichenification of the muzzle

Question 8

Which species of Klosiella is a parasite of the renal epithelium of the horse?

Answer 8

Klosiella equi

Question 9

Which species of Klosiella is found in the renal epithelium of mice?

Answer 9

K. muris

Question 10

What condition was reported by Anderson et al. (1988) in an older, immune-compromised pony infected with Klosiella equi?

Answer 10

Tubular necrosis and nonsuppurative interstitial nephritis

Question 11

How is Mouse Parenteral Coccidia transmitted?

Answer 11

Ingestion of sporulated oocysts passed in urine

Question 12

What is the definitive host for Hammondia sp.?

Answer 12

Cat

Question 13

In which tissues do Hammondia sp. cysts occur in intermediate hosts?

Answer 13

Skeletal muscles and brain

Question 14

What kind of life cycle does Hammondia sp. have?

Answer 14

Two-host obligatory life cycle

Question 15

Which statement about Hammondia sp. is true?

a) Tachyzoites from mouse tissues are infectious to cats
b) Only bradyzoites from mouse tissues are infectious to cats
c) Sporulated oocysts from dog feces are infectious to rats
d) Tachyzoites are the infectious stage for rats

Answer 15

Only bradyzoites from mouse tissues are infectious to cats

Question 16

In which parts of the body does Giardia spp. lodge?

Answer 16

intestine

Question 17

Which animals are commonly infected by Giardia spp.?

Answer 17

Man, pig, monkeys

Question 18

What is the usual clinical presentation of giardiosis or lambliosis?

Answer 18

usually symptomless

Question 19

How many cysts are needed to produce a disease condition in giardiosis?

Answer 19

10 cysts

Question 20

Which age group of animals is more susceptible to Giardia infections?

Answer 20

young animals

Question 21

Which Giardia assemblages are mainly found in humans?

Answer 21

Assemblages A and B

Question 22

Which Giardia assemblages are primarily found in dogs?

Answer 22

C and D

Question 23

Which Giardia assemblage is typically found in hoofed stock such as cattle, sheep, goats, pigs, and horses?

Answer 23

E

Question 24

Which Giardia assemblage consists of the forms found in cats?

Answer 24

F

Question 25

What is the shape of Giardia trophozoites?

Answer 25

tear drop

Question 26

How many nuclei are present within a Giardia trophozoite?

Answer 26

2

Question 27

How do Giardia trophozoites attach to mucosal cells?

Answer 27

ventral sucking disk

Question 28

Which form of Giardia is responsible for transmission of giardiasis?

Answer 28

cysts

Question 29

Life cycle characteristics of Sarcocystis

Answer 29

a. Sexual development on DH b. Fully sporulated cysts and sporocyts on host’s feces c. No development in external environment

Question 30

In infective stage of Sarcocystis sp. define development of the organism and in which organ of the DH

Answer 30

Sporogony in intestinal mucosae with sporocyts production

Question 31

2 types of sarcocytis sp. infection produced by sarcocyst in the IH

Answer 31

a. Intestinal sarcocytosis b. Muscle sarcocytosis

Question 32

Associated with the release of 2nd way of merozoites

Answer 32

a. Sarcosporidiosis in Pigs

Question 33

Etiologic agent of neurological disease of Equine Protozoal Encephalomyelitis

Answer 33

Sarcocystic neuorona

Question 34

Final host of Sarcocystis cruzi

Answer 34

dogs

Question 35

How to diagnose sarcocystis infection

Answer 35

a. Finding sarcocysts in muscle tissues b. Finding spores in ground muscles c. Finding sporocyts/sporulated oocyts in the feces of carnivores

Question 36

A heteroxynous parasite with its predilection site is CT of the skin

Answer 36

Besnoitia sp.

Question 37

Cutaneous form in horses and burros characterized by widespread, serious dermatitis in tropical and subtropical countries

Answer 37

Besnoitiosis in horses

Question 38

Etiologic agent of Besnoitiosis in horses

Answer 38

Besnoitia bennetti

Question 39

Oval or elliptical parasite render the cell elongated and bizarre in appearance as the parasite grows

Answer 39

Leucocytozoon

Question 40

first pathogenic protozoan (1893) shown to be transmitted by an arthropod vector

Answer 40

babesia bigemina

Question 41

parasite of the RBC transmitted by ticks

Answer 41

babesia

Question 42

most common rickettsial species involved in ehrlichiosis in dogs

Answer 42

ehrlichia canis

Question 43

Susceptibility increases with age and recovered animals are carriers for life

Answer 43

Anaplasma

Question 44

May be transmitted by use of contaminated surgical instruments

Answer 44

anaplasma

Question 45

Sporadic but rapidly and uniformly fatal disease of domestic cats in the south central US

Answer 45

Cytauxzoon felis

Question 46

One of the most important bovine hemotropic diseases in the tropics and subtropics

Answer 46

aMaltese cross type intraerythrocytic organism

Question 47

parasites cause extensive intravascular haemolysis (erythrocyte rupture) producing progressive signs of anaemia

Answer 47

Babesia

Question 48

What is the importance of animal reservoirs in the transmission of Giardia to humans?

Answer 48

They occasionally contribute to human infections

Question 49

What can trigger encystation of Giardia trophozoites?

Answer 49

moving toward the colon

Question 50

What stage of Giardia is most commonly found in nondiarrheal feces?

Answer 50

cysts

Question 51

In which part of the intestine do Giardia trophozoites primarily reside?

Answer 51

small intestine