Studied by 12 peopleArthropods have a special covering that envelopes their entire body called
chitin
Adults in the Mandibulata species have a body that is divided into 3 sections. The reproductive organs are found in which section?
Abdomen
Metamorphosis
The process for an insect to become an adult
Simple metamorphosis
Has 3 developmental stages
Complex metamorphosis
Has 4 developmental stages
Capitulum
The fusion of the head and thorax. It houses the mouthparts.
When a horse ingests beetles, what is often the result?
fatal colic
What is the condition called when horses become allergic to the bites of Culicoides fly?
sweet itch
This parasite affects sheep and goats. They cause puritis over much of the host's body, and this causes the sheep to scratch and damage the wool.
Melophagus ovinus
What happens if a Cuterebra is crushed when removing it from the breathing hole?
Anaphylaxis
Amitraz can not be used in
Horses
These mites are host specific and their feeding site is very pruritic. Because of the intense pruritis and the highly contagious nature of the infestation, they should be reported to both federal and state authorities.
Psoroptes ovis, P. bovis, and P. equi
Ivermectin can not be given to
rabbits
Among large animals, who are the most affected by scabies?
Pigs
The capitulum has 2 cutting organs called
Chelicerae
The penetrating anchor-like sucking organ is called
Hypostome
This tick is specific to cattle, and is the first arthropod to be shown to serve as the intermediate host for Babesia bigemina
Boophilus annulatus
These ticks are usually found in the ears of the definitive host. The larval and nymphal stages are parasitic. Large numbers of this tick can cause the ear to be very sensitive.
Otobius megnini
This tick is considered the primary vector for the transmission of Rocky Mountain Spotted Fever
Dermacentor variabilis
What populations are most at risk for contracting Toxoplasmosis?
Pregnant women and individuals with AIDS
How long does it take for Swimmer's itch to reach its maximum size on a human?
24 hours
How do we prevent infections with Taenia saginata?
Thorough meat inspection, and infected carcasses should be condemned for human consumption
What population is most at risk for contracting Dipylidium caninum?
Children under the age of 8
Sarcoptes scabei symptoms are rarely seen
face and genitals
When can Trichinella spiralis seen?
2-7 days
Ataxia
lack of muscle control and coordination
Nystagmus
uncontrollable eye movement
What is the treatment of choice for Taenia solium?
Praziquantel
What is the treatment for Anaplasma in cattle?
Tetracycline antibiotics and imidocarb
What causes feline infectious anemia?
Hemotropic mycoplasma species
What is a vector for Ehrlichia species?
Amblyomma americanum
What is a parasite that wanders into an organ in which it does not normally live?
Aberrant
This is found on a steer in a feedlot in Texas
Boophilus annulatus
This parasite was found on the fecal float of a raccoon. It is a zoonotic disease and this parasite causes neurological larval margins
Baylisascaris procyonis
Fasciola hepatica
This parasite is found on the fecal sedimentation of a steer.
Parascaris equorum
This was found on the fecal float of a filly.
Moniezia benedini
This was found on the fecal float of a heifer.
Dipylidium caninum
These were found on the fecal float of a dog. On the physical exam, you notice the dog has fleas.
Paragonimus kellicotti
This was found on the fecal float of a dog who has chronic respiratory issues and loves to catch crayfish.
Giardia species
This was found on the fecal float of a dog who presented with diarrhea.
Hepatozoon americanum
This was found on a blood smear from a dog.
Trichuris suis
This is found on a fecal sample from a sow.
Dermacentor variabilis
This tick was found on a dog.
Macracanthorhynchus hirudinaceus
This was found on the fecal float of a pig.
Taenia pisiformis
This was found on the fecal float of a dog that likes to eat rabbits.
Spirometra species
This is a fecal sample from a cat. The owner mentioned in the history that the cat likes to hunt frogs.
Toxocara canis
This is a fecal sample from a dog.
Amblyomma americanum
This tick was found on the flank of a cat that was slightly anemic.
Toxoplasma gondii
This was found on the fecal float from a cat.
Ancylostoma caninum
This is the fecal float of a puppy with severe anemia.
Anaplasma species
This was found on a blood smear from a steer.
Eimeria species
This was found on a fecal floatation of a cow.
Cheyletiella parasitivorax
This was found while doing a tape prep of a cat's fur.
Psuedoparasite
What type of parasite is this?
Ascarid type
What type of egg is this?
Microfilariae
What type of larva is this?
Stomoxys calcitrans
These flies were found around the legs and ventral abdomen of a cow.
Linognathus setosus
This was found in the hair clippings of a dog.
Damalinia bovis
This was found on the hairs of a steer.
Tabanus species
Flies like these were found around the naval of a horse.
Lutzomyia species
This parasite was found feeding on a chicken.
Otodectes cynotis
This was found on the ear swab of a cat.
Demodex species
These were found on the skin scrape of a puppy.
Ixodes scapularis
This was found on a deer.
Otobius megnini
This was found on the ear of a dog
Rhipicephalus sanguineus
This was found between the toes of a very sick dog.
