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National Board Practice Questions - Quiz 2

An egg (ova) of Pearsonema plica was detected on urine sediment examination of a 4-year-old neutered male mixed-breed dog with a history of cystitis. How did the dog become infected with this parasite?
Skin penetration of third-stage larvae Ingestion of egg containing third-stage larvae Ingestion of earthworm containing first-stage larvae Ingestion of dung beetle containing third-stage larvae Migration of third-stage larvae up urethra to embed in urinary bladder mucosa
A dog presents with severe pruritus. Alopecia, erythematous skin, and hyperkeratosis are evident on the lateral elbows, lateral hocks, and the margins of the pinna. The dog scratches himself repeatedly during your examination, but otherwise appears healthy. What diagnostic test should you perform first?
Skin scrape Fecal flotation Fecal sedimentation Urinalysis with sediment examination Complete blood count and serum chemistry panel
In recent years, several commercially-available equine dewormers have been modified to include praziquantel. What was responsible for this change?
New data demonstrating the clinical association between trematodes and colic New data demonstrating the clinical association between tapeworms and colic New data describing trematodes as a parasite of horses New data describing tapeworms as a parasite of horses Recognition of widespread anthelmintic resistance in equine nematodes to the avermectin dewormers (ivermectin, moxidectin, etc).
A litter of 2-week-old kittens presents covered with a huge number of fleas. The kittens are hypothermic, have pale mucous membranes, and appear moribund. Which of the following would not be an appropriate means of managing these kittens:
Apply high concentration spot on pyrethrin (45-65%) residual flea control product to each kitten Keep the kittens warm by placing on a circulating-water heating pad Check PCV and consider blood transfusion if indicated Immediately remove fleas via flea comb and gentle shampoo Administer supplemental iron and vitamin B12 to each kitten
A client brought in these nematodes after his 6-year-old spayed female indoor/outdoor cat vomited them onto the kitchen floor this morning. How did the cat most likely become infected?
Transplacental transmission from the queen as a kitten Transmammary transmission from the queen as a kitten Ingestion of an insect vertebrate paratenic host Ingestion of larvated egg from the environment Ingestion of the third-stage larvae from the vomit of another cat
Dogs acquire infection with Hepatozoon sp. upon:
Tick bite Flea bite Ingestion of infected ticks Ingestion of infected fleas None of the above
A cat is infested with mites that you identify as Dermanyssus species. You ask the client:
Whether or not the cat has access to birds Whether or not the cat is a mouse hunter Whether or not the cat spends a lot of time near rabbit dens Whether or not the family dog has been pruritic
The term “measly beef” refers to the presence of:
Eggs of Taenia saginata in muscle tissue Cysticerci of Taenia saginata in musle tissue Sarcocysts (tissue cysts) of Sarcocystis in muscle tissue Tissue cysts of Toxoplasma gondii in muscle tissue Tissue cysts of Neospora caninum in muscle tissue
Neospora caninum infection in cattle causes:
Weight loss Bloat Sterility in bulls Abortion Chorioretinitis in aged (>10 years) animals
Infection with which of the following parasites has been associated with head tilt and ataxia in rabbits?
Encephalitozoon cuniculi Baylisacaris procyonis Obeliscoides cuniculi Passalurus ambiguous A and B
A 2-year-old indoor/outdoor neutered male cat presents with lethargy, depression, and anorexia of two days duration. Physical examination reveals a profoundly icteric, moribund cat with pale mucous membranes and severe dehydration. These organisms were found on blood smear. As you explain your treatment plan and prognosis to the client, she asks if there is anything she can do to protect her four other cats at home from becoming infected. What do you recommend?
Prevent ingestion of rodents and rabbits Flea control, including keeping cats indoors and on highly effective flea control products Tick control, including keeping cats indoors and on highly effective tick control products Prevent ingestion of birds Administer a monthly heartworm preventative with intestinal parasite control
Control of Potomac horse fever in unvaccinated horses includes:
Administering prophylactic doses of praziquantel to control the vector flukes Routine application of insecticides to horses to prevent feeding by flies Administering prophylactic doses of penicillin antibiotics to control the Neorickettsia (= Ehrlichia) risticii Avoiding aquatic habitats that may be more likely to harbor infected trematodes Protecting feed and water from possible contamination with opossum feces
A five-year-old horse presents with tail rubbing and anal pruritus. You suspect infection with the equine pinworm, Oxyuris equi. What diagnostic test is preferred to recover the eggs of this parasite?
Direct smear Passive fecal flotation with sodium nitrate Centrifugal fecal flotation with sugar solution Fecal sedimentation Scotch tape test
Treatment of dogs with severe, generalized demodectic mange should always include:
Antibiotics Anti-mite agents Anti-fungal agents Antibiotics and anti-mite agents Anti-fungal agents and anti-mite agents
A litter of 2-week-old puppies presents with acute lethargy. On physical examination the puppies are moribund, cold, and have markedly pale mucous membranes. You suspect acute anemia due to hookworm infection. The next step in managing these puppies is:
Prophylactically deworm with pyrantel pamoate Perform a fecal flotation and only deworm if eggs are detected Perform CBC, serum chemsitry, U/A, and abdominal radiographs on each pup Hold for quiet observation for 48 hours to monitor progression of disease Bathe each puppy to insure ectoparasites are eliminated
These eggs were found on fecal flotation from a 10-year-old spayed female indoor/outdoor cat. Is this an unusual diagnosis?
No, this parasite is commonly seen in both kittens and adult cats Yes, this parasite is extremely rare in cats in the United States Yes, this cat is likely immunocompromised and thus the immunity that would prevent the infection has lapsed Yes, this parasite is generally only found in kittens No, this parasite is commonly seen in the feces of coprophagic cats that ingest the eggs in the feces of another animal
What aspect of the life cycle of Habronema and Draschia spp. accounts for the seasonal pattern seen in cutaneous habronemiasis, or summer sores, in affected horses?
The bacterial organisms which cause the secondary infections responsible for the lesions only flourish in the humid summer months The larval stages of these nematodes become hypobiotic in the winter and are thus less irritating to horses The ticks which transmit these parasites are only active in the summer months The activity of the muscid flies which serve as vector and intermediate host of these nematodes is greatly reduced in the winter months Horses are ridden less in the winter months and thus the abrasive sores are less likely to develop
You examine an adult Himalayan cat who has just returned from Panama with his owner. The cat has a persistent, draining wound on the right lateral flank. You sedate the cat to clip the hair and examine the wound and discover several fly larvae, each ~ 1 cm long and bearing two distinct pigmented tracheal trunks. What parasite is this?
Calliphora vomitoria Haematobia irritans Felicola subrostratus Sarcophaga carnaria Cochliomyia hominovorax
Which of the following antiparasitic agents is most suitable for use against immature stages of Fasciola hepatica?
Fenbendazole Ivermectin Praziquantel Albendazole Clorsulon
A 4-year-old neutered male outdoor cat from Florida presents with a 2-week history of weight loss, vomiting, and diarrhea. This parasite was produced in the vomitus. What is the most appropriate treatment?
Ivermectin Fenbendazole Selamectin Praziquantel Milbemycin oxime

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National Board Practice Questions - Quiz 2

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