An intact male whippet presents with an acute onset of swelling and pain in one of his testicles. Which one of the following tests is helpful to diagnose the cause of the swelling before surgery?

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Oral administration of which of these drugs has been implicated as a cause of esophageal strictures in cats?

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A backyard chicken is presented for laying less eggs than normal and listless behavior. Examination reveals tiny blackish brown specks moving around the hen's vent. Which one of the following is the most likely diagnosis?

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You see an 8-month old kitten with the effusive form of feline infectious peritonitis and perform euthanasia. The kitten was having severe diarrhea around the house when it became ill. The owner has a 2 year old cat at home and wants to know what this cat's prognosis is since it has been exposed to the sick kitten. Currently this cat is clinically healthy. What do you

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What is the purpose of placing a permanent rumen fistula in some cattle?

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A 2-year-old Quarter horse filly presents with a history of intense pruritis and alopecia in the perineal area (see image). The owners indicated that they noticed the filly rubbing her tail head and perineal area along fences for a period of one week. What diagnostic test will you use to confirm your top differential?

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A 13-year-old male castrated Golden Retriever is presented with respiratory distress.  A lateral thoracic radiograph is obtained. What is the primary abnormality visible in the radiograph?

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Tommy, a 4-year old male neutered domestic short hair, presents to you for frequent urination. Urinalysis reveals 4+ struvite crystals. An abdominal radiograph shows a 1 cm round calculus in the bladder. Tommy does not have a urethral blockage, and urine culture is negative. The owner says surgery to remove this stone is not an option due to finances. Which of the following would be the most important treatment for Tommy

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A group of 2 1/2-month-old feeder pigs are presented with non-pruritic keratinized skin lesions and mild lethargy. One severely affected animal is depressed and anorexic.

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A three-year-old male neutered Labrador retriever from the Ohio river valley basin is presented with chronic large bowel diarrhea and signs of respiratory disease (cough, fever). A lymph node smear shows round to ovoid (1-4 micrometers) encapsulated structures inside macrophages and giant cells. The organisms have thin cell walls, with thin clear zone between cell wall and cytoplasm.

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