Quiz Corner

• Dilative cardiomyopathy in cats is most commonly associated with a dietary deficiency of

  1. taurine

  2. carnitine

  3. guanine

  4. selenium

  5. cobalt

• All of the following signs may occur in cats with acet-aminophen toxicity except:

  1. facial edema

  2. Heinz-body formation

  3. hepatic necrosis

  4. aplastic anemia

  5. hemolytic anemia

• A cough is a likely clinical sign in all the following disorders except:

  1. tracheal collapse

  2. right-sided congestive heart failure

  3. Bordetella bronchiseptica infection

  4. blastomycosis

  5. acute bacterial bronchitis

• You are testing a 5-month-old Arabian colt with severe watery diarrhea caused by salmonellosis. The heart rate is 56 beats/min and irregular. The mucous membranes are hyperemic. The colt is 5% dehydrated, anorexic, and depressed. An electrocardiogram reveals one ventricular premature depolarization for every 6 to 8 normal sinus beats. What is the most accurate assessment?

  1. There is probably myocardial damage due to electrolyte imbalances and endotoxemia.

  2. Equine influenza is the most likely cause of these problems.

  3. The arrhythmia is due to cardiac enlargement.

  4. The arrhythmia is due to high vagal tone.

  5. The arrhythmia is due to bacterial endocarditis.

• What percentage of freemartin calves are sterile?

  1. 10%

  2. 30%

  3. 50%

  4. 70%

  5. 90%

• Clinical signs of hypothyroidism include all the following except:

  1. lethargy

  2. dry, brittle, lusterless hair coat

  3. infertility

  4. heat seeking

  5. polyphagia

• Histopathologic lesions in the brains of 8-week-old pigs may be observed with:

  1. proliferative enteritis, porcine parvovirus infection

  2. porcine reproductive and respiratory syndrome (PRRS) virus infection, vitamin E deficiency

  3. edema disease, Streptococcus suis type II infection

  4. Salmonella choleraesuis infection

  5. pseudorabies, Brachyspira infection

• On a plain abdominal radiograph of a constipated dog, you note that the colon is filled with feces and appears to be displaced dorsally at the pelvic inlet. The most likely cause of these findings is:

  1. a colonic foreign body

  2. enlarged sublumbar lymph nodes

  3. rectal tumor

  4. megacolon

  5. prostomegaly

• Which of the following is not characteristic of grain overload in cattle?

  1. decreased packed cell volume

  2. rumen pH below 5.0

  3. systemic acidosis

  4. pooling of water in the rumen as a result of osmotic forces

  5. chemical damage to the rumen epithelium

• A 9-year-old budgerigar has slowly progressive unilateral paresis of the right leg. What is the most likely cause of this problem?

  1. gout

  2. a renal tumor

  3. psittacosis (chlamydiosis)

  4. lead poisoning

  5. trauma

(See p. 488 for answers./Voir les reponses a la page 488.)

Questions and answers were derived from Review Questions and Answers for Veterinary Boards 2nd ed., a 5-volume series including Basic Sciences, Clinical Sciences, Small Animal Medicine and Surgery, Large Animal Medicine and Surgery, and Ancillary Topics, by kind permission of the publisher, Mosby Year Book, Inc., St. Louis, Missouri.

Les questions et les reponses sont extraites de Review Questions and Answers for Veterinary Boards 2nd ed., une serie de cinq volumes qui comprend Basic Sciences, Clinical Sciences, Small Animal Medicine and Surgery, Large Animal Medicine and Surgery, et Ancillary Topics, avec l’aimable permission de l’editeur, Mosby Year Book, Inc. de St. Louis (Missouri).