parasitology Flashcards
How is Toxocara canis identified microscopically in the diagnostic stage?
a. Clear, smooth, and thin-walled eggs
b. Yellow-brown thick walled eggs with striated shells and asymmetric plugs
c. Dark brown, thick-walled egg, with a pitted eggshell
d. L1 with S-shaped tail lacking a dorsal spine
Dark brown, thick-walled egg, with a pitted eggshell
Ancylostoma caninum can be contracted by which route?
a. Entry through the skin
b. Autoinfection by remigration through the rectum
c. A bite from and infected mosquito
d. Ingestion of a flea
Autoinfection by remigration through the rectum
The intermediate host of Dipylidium caninum is the:
a. Squirrel
b. Tick
c. Cow
d. Flea
Flea
Signs that would indicate a dog has a severe infection of Otodectes cynotis would include:
a. Head tilt, otitis media circling, seizures
b. Shaking head, scratching ears
c. Skin becomes thick and wrinkled; emaciation sets in
d. Severe tail, leg or scrotal mange
Shaking head, scratching ears
Ixodes scapularis is the vector for:
a. Rock Mountain Spotted Fever
b. Lyme disease
c. Tularemia
d. Q fever
Q fever
Which of the following parasites is zoonotic?
a. Cystoisospora canis
b. Trichuris vulpis
c. parascaris equorum
d. Dipylidium caninum
Cystoisospora canis
Which order do the biting lice belong too?
a. Hemiptera
b. Anoplura
c. Diptera
d. Mallophaga
Hemiptera
Which of the following is best diagnosed using the Baermann test?
a. Aelurostrongylus abstrusus
b. Toxascaris leonina
c. Ancylostoma braziliense
d. Physaloptera spp.
Ancylostoma braziliense
One of the great advantages of centrifugal floatation technique is to:
a. Detect Giardia oocysts and Trichuris ova more efficiently than regular flotation technique
b. Detect protozoa in feces
c. Determine the number of eggs present per gram of feces
d. Determine specific gravity of parasitic material and fecal debris
Detect protozoa in feces
For which parasite is the cellophane tape method useful?
a. Thelazia californiensis
b. Eimeria spp.
c. Oxyuris equi
d. Balantidium coli
Oxyuris equi
Which of the following is the parasite that is called “walking dandruff”?
a. Reduviid bug
b. Cheyletiella spp.
c. Culicoides spp.
d. Glossina spp.
Cheyletiella spp.
A hexacanth is the detectable, infective stage of a:
a. Tick
b. Mite
c. Pinworm
d. Tapeworm
Pinworm
Giardia and Leishmania are example of :
a. Ameba
b. Ciliates
c. Flagellates
d. Sporozoa
Flagellates
Which of the following tests is best for removing lungworm larvae from small sample of feces?
a. Centrifugation technique
b. McMaster technique
c. Baermann technique
d. Direct smear technique
McMaster technique
Which subgroup do tapeworms fall under?
a. Thorny-headed helminths
b. Nematodes
c. Cestodes
d. Trematodes
Cestodes
