Deck 8 Flashcards
Sporogony is:
A. sexual phase of most coccidia
B. asexual proliferative phase of most coccidian
C. exogenous …. (something)
exogenous sporulation phase of most coccidia.
(sporogony is exogenous asexual..)
Gamogony of Toxoplasma gondii occurs in the small intestine of:
a) rodents
b) birds
c) cats
d) dogs
e) human
cats
Cryptosporidium bailleyi occurs in:
a) calves
b) piglets
c) poultry
d) human
e) dog
poultry
What is the final host for Neospora caninum?
dog
The vector of human Plasmodium is:
a) Glossina
b) Phlebotomum
c) Anopheles
Anopheles
Schizogony of Theileria spp. Occurs in:
a) lymphocytes
b) erythrocytes
c) liver
lymphocytes
Hepatozoon canis is transmitted by:
a) bitting of tick
b) bitting of mosquitoe
c) ingestion of tick
ingestion of tick
Which of the following species is responsible of East Coast Fever:
a) T. Hirei
b) T. Annulata
c) T. Parva
d) ….
T. Parva
obligate parasite is an organism
which is completely dependent on the host
Digestive method of feces of a dog , was found a parasite. What is it?
Sarcocystis spp
What is the vector of Trypanosoma Cruzi?
Triatoma bugs
schizogony of Toxoplasma gondii is
in the intermediate host
Fill:
C.parvum+C.muris
C.baileyi+C.meleagridis
C.crotali
C.nasorum
C.parvum+C.muris in mammals C.baileyi+C.meleagridis in birds
C.crotali in reptiles
C.nasorum in fish
Laboratory procedure for detection of Sarcocystis
detection of cyst in muscles by digestive method - microcysts (post-mortem)
Large Babesia in Ery- draw/explain
2-5µm (pear shape), acute angle
merozoites located centrally (larger than the radius of the RBC).
Isospora, sporulated oocyst - draw/explain
2 sporocysts and each contain 4 sporozoites.
Pic of trypomastigote - explain morphology
spindle shape, kinetoplast posterior to nucleus, near posterior extremity of body. undulating membrane well developed, free flagellum
B. divergens - in which animals
large ruminants, human (on pp- also sheep & goat)
primarily affects cattle
sporogony of cryptosporidium is? (endo/exogenous)
enogenous
what parasite causes acute human sleeping sickness
T. brucei rhodesiense
Life cycle of Plasmodium, which phases take part in the
mosquitoe?
gametogony and sporogony
Cryptosporidium- where does sporogony occur (options:
inside/outside host)?
inside
Sarcocystis is transmitted by:
A. Cysts (contain infective form - bradyzoites)
B.
Trophozoites
C. Air
cysts
