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National Board Practice Questions - Quiz 4

Published March 18, 2017 · 20 questions

01 An 8-year-old dairy cow presents with nodular lesions on her neck from which a caseous material is expressed. Microscopic examination of the material reveals these organisms. You recommend:
02 Which of the following helminths is rare in cats in the continental United States:
03 You examine a pruritic pig with crusting hyperkeratotic lesions on the pinna of both ears. You confirm your intial diagnosis with a microscopic examination of a skin scrape. What treatment is most likely to be effective?
04 A five-year old intact female Labrador retriever presents for routine spay. At laparotomy, a stout red nematode nearly 1 meter in length is found free in the abdominal cavity. What parasite is this?
05 Which of the following types of adult cattle are, as a group, most likely to be infected with the causative agent of bovine trichomoniasis?
06 Horse bot flies (Gasterophilus spp.) adhere their eggs to the hair shafts of horses. Where in the horse are the larvae of Gasterophilus spp. found?
07 A 9-year-old spayed female indoor-only cat is brought to your clinic because the client is 4 months pregnant and concerned about toxoplasmosis. Which of the following is not an appropriate course of action:
08 Which organ is most commonly affected in cats that develop disease due to infection with Dirofilaria immitis?
09 Disease caused by cyathostomes, or small strongyles, in horses generally results from:
10 What diagnostic test is best able to detect eggs in the feces of a 1-week-old puppy infected with ascarids and hookworms?
11 Toxoplasma gondii can be transmitted to people via:
12 Puppies that die at 2 days of age because of large numbers of larval nematodes migrating and molting in their lungs are most likely infected with which parasite?
13 Moneizia spp. are not known to cause any disease or production loss in infected cattle. However, if treatment is desired, which of the following drugs would be expected to remove these parasites from infected cattle?
14 The currently-available monthly heartworm preventatives protect dogs from acquiring infection with adult heartworms by:
15 You examine a herd of longhorn cattle in southern Texas with skin lesions. Affected animals have profound hyperkeratotic lesions on their neck, brisket, and ventral abdomen and have lost weight and condition since this dermatitis developed. A skin scrape reveals Sarcoptes scabiei var bovis. What is the appropriate way to manage these cows?
16 Which of the following biting flies have been implicated as a biological vector of African horse sickness?
17 A four-year-old mixed breed dog housed in a small, dirt-floored pen presents with a history of weight loss, diarrhea, and tenesmus. The feces is soft and contains bright red blood. What parasite is most likely to cause the symptoms described?
18 Neurocystocercosis develops in people following ingestion of eggs of Taenia solium found in:
19 A client who just recently established a dairy herd is concerned about the high incidence of pinkeye among her cows. You tell her that the insect that transmits the infectious agent, Moraxella bovis, is Musca autumnalis. Which of the following is not true about Musca autumnalis?
20 The most complete medical treatment for a cat infected with Dipylidium caninum is: