Lice, Mites, & Flies QUIZ - Ectoparasites Flashcards
Intradermal (within the skin) mites are diagnosed based on adult morphology, this sample is best collected by
a. Cellophane tape test
b. Skin scrape (until capillary blood achieved)
c. Mineral oil swab
d. It doesn’t matter. All treatment is the same for all species
Skin scrape until capillary blood achieved
Cuterebra (Rodent Bots) are acquired by cats by:
a. Ingesting rodent feces
b. Adult flies laying eggs in open wounds
c. Inserting their heads into rodent burrows
d. Ingesting cysts from the tissues of prey
Inserting their heads into rodent burrows
Which mite has zoonotic potential?
a. Otodectes (ear mite)
b. Chyletiella (walking dandruff)
c. Demodex (follicle mite)
d. Sarcoptes (scabies mite)
Sarcoptes (scabies mite)
When differentiating a biting louse from a sucking louse, the most accurate morphologic feature is:
a. Head shape and mouth parts
b. Size
c. Type of egg (nit)
d. Type of legs/feet
Head shape and mouth parts
The process of fly larva developing in the tissues of the host is called_________________.
a. Alopecia
b. Furunculosis
c. Mange
d. Myiasis
Myiasis
To effectively and safely prevent the reinfection of a pet with an ectoparasite the veterinary team should:
a. Alter the environment to disrupt the parasite life cycle
b. All of the choices are part of parasite control
c. Place the animal on a preventative medication/treatment schedule
d. Educate the client on the life cycle of the diagnosed parasite
All choices
T/F: Lice are species specific to their host and are not a zoonotic threat
True
T/F: Ear mites (Otodectes) are only a problem in puppies and kittens and will go away within a few months without treatment
False
T/F: Follicle mites (Demodex) are considered normal flora in most species and only cause significant clinical disease in immunosuppressed hosts
True
T/F: Sheep keds (Melophagus) are wingless flies that can cause significant economic losses in sheep herds
True
Juvenile Demodex have ___ legs, adults have ___ legs. This is important to know for treatment and monitoring!
Juveniles have 6 legs
Adults have 8 legs
T/F: When extracting a Cuterebra from the host, damaging the parasite may cause anaphylaxis in the host animal.
True
“Ear canker” of rabbits is caused by:
a. Cnemidocoptes
b. Otodectes cynotis
c. Notoedres
d. Psoroptes cuniculi
Psoroptes cuniculi
T/F: The treatment of an animal for parasitic fly infections is called “Fly Strike.”
False
