May 2025

A 7-year-old ewe presents with abscessation of the supramammary lymph nodes. What is the most likely diagnosis?

1. Corynebacterium pseudotuberculosis

2. Mycoplasma mycoides

3. E. coli

4. Caprine arthritis and encephalitis virus

5. Trueperella pyogenes

  Corynebacterium pseudotuberculosis

The viscera from a group of 100 kg pigs are presented at a slaughter facility. The pigs were raised in a semi-outdoor management farm system with groups of 30-100 kg pigs kept on the same site. At slaughter, multifocal fibrotic lesions are seen in their livers and noticeable nematodes are present within the small intestine. You perform a fecal flotation on a fresh sample from the younger pigs. The results are shown in the image below. What treatment or management recommendation is most appropriate for this problem?

1. Depopulate and replace the herd

2. Quarterly treatment with praziquantel

3. Monthly administration of ivermectin

4. Disinfect the pasture

5. Examine the food sources of the pigs

  Monthly administration of ivermectin   

Which of the following is the causative agent of fowl cholera?

1. Reticuloendotheliosis virus

2. Chlamydophila psittaci

3. Mycoplasma gallisepticum

4. Pasteurella multocida

  Pasteurella multocida

A farmer comes to you with a new test for detection of mastitis in his heifers. He claims that both the sensitivity and specificity of his test is 90%. Mastitis has a prevalence of 5% in his herd. The negative predictive value (NPV) is approximately _________.

1. 72%

2. 35%

3. 3%

4. 99%

99%

A 2-year old female spayed Leonberger presents to you with hair loss around the face and eyes. A deep skin scraping is shown in the picture below. What is your diagnosis?

1. Demodex

2. Otodectes

3. Fungal pyoderma

4. Staphylococcus

5. Sarcoptes

Demodex

A 6-year old male neutered terrier mix weighing 10kg presents to you after having ingested 3 pieces of sugar-free gum containing xylitol. What bloodwork abnormality are you expecting to find?

1. Hyponatremia

2. Hypoglycemia

3. Hypernatremia

4. Hypocalcemia

5. Hyperglycemia

Hypoglycemia

You have diagnosed nitrate poisoning in a group of yearling cattle which were grazing Sudan grass (see photo). Which of the following is the most effective treatment?

1. Sodium thiosulfate

2. Vitamin B12

3. Digitalis

4. Methylene blue

5. Calcium gluconate

Methylene blue

A 3-year old Thoroughbred presents for evaluation after pulling up late in a recent race. You perform an ECG, which is shown below. What is the rhythm?

1. Atrial fibrillation

2. Normal sinus rhythm

3. Atrial tachycardia

4. Ventricular premature complexes

5. Ventricular tachycardia

Atrial fibrillation

Cats with taurine deficiency develop which of the following?

1. Hypertrophic cardiomyopathy

2. Myocarditis

3. Dilated cardiomyopathy

4. Restrictive cardiomyopathy

Dilated cardiomyopathy

A 10-year-old male Pomeranian presents to you with a 3-month history of wheezing and marked respiratory distress. The owner reports that he has been coughing sporadically as if trying to clear his throat of a hairball. The owner is a regular smoker. On your examination, the dog displays moderate expiratory difficulty. You submit blood work and take radiographs including inspiratory and expiratory lateral projections of the dog, which are shown below. Which of the following are commonly used to treat the likely condition?

1. Meloxicam and fluconazole

2. Butorphanol and theophylline

3. Furosemide and prednisone

4. Surgical repair of the defect

5. Amoxicillin, nebulization, and coupage

  Butorphanol and theophylline

A 10-year old cat presents with a history of chronic constipation and hasn't had a bowel movement in several days. The owner says the cat is uncomfortable and breathing heavy when she strains to defecate. T= 102.8 F (39.3 C), P= 220, R= 75. You take radiographs (see image). Which course of treament is most appropriate for this cat?

1. Lactulose and Cisapride

2. Manual deobstipation

3. Surgery

4. Thoracocentesis

surgery

Several does in a large goat herd, all of which are in late gestation, have not been able to rise to the standing position. They are being fed good quality grass and alfalfa hay. It is December and the weather is cold. They have reduced feed intake and the most severely affected individuals appear blind and depressed, and two have died. On post-mortem examination, your only finding is that they have fatty livers and 4 fetuses each. The physical exam is otherwise not very revealing except that all have significant ketonuria. What steps should be taken to prevent more does from developing this disorder?

1. Feed anionic diet

2. Add magnesium oxide to feed

3. IM dexamethasone

4. Calcium gluconate IV

5. Increase energy intake

  Increase energy intake

A 6-year old Sun Conure presents for evaluation of a skin lesion. The owner reports that the bird is very sensitive on the wing near the lesion. On your exam, you note an oval swelling involving the feather follicle as seen in the image below. What is the best treatment for feather cysts?

1. Surgical removal of the feather cyst and follicle

2. Treat with systemic antibiotics for 4-6 weeks

3. Squeeze and express the material out of the feather cyst

4. Lance and drain the feather cyst, flush with saline

5. No treatment is necessary as feather cysts typically resolve spontaneously

  Surgical removal of the feather cyst and follicle

You note the abnormality seen on the blood smear below of a dog presenting to you for weakness and fever. What is the likely route that the dog was infected?

1. Via flea vector

2. Via skin penetration

3. Via tick vector

4. Via ingestion (fecal-oral)

5. Via inhalation

6. Via transmammary route

Via tick vector

A 3-year old castrated male Doberman Pinscher presents for acute onset non-productive vomiting of 3 hours duration. On exam, the patient is extremely lethargic, tachycardic, has weak pulses and a distended abdomen. Following standard initial emergency treatment for suspected gastric dilation and volvulus, you would confirm the diagnosis with what imaging procedure?

1. Barium contrast abdominal radiograph

2. Ventral recumbency abdominal radiograph

3. Abdominal ultrasound exam

4. Right lateral recumbency abdominal radiograph

5. Left lateral recumbency abdominal radiograph

6. Dorsal recumbency abdominal radiograph

  Right lateral recumbency abdominal radiograph

A group of dairy calves were fed a home-made grain mix that had a high percentage of cottonseed (photo shows seed and oil). Cottonseed is a good source of protein. A few days after being started on this new grain mix, the calves began having problems including dyspnea, and weakness, followed by death in several calves. What is the toxic principle acting here?

1. Cardiac glycosides

2. Cyanide

3. Gossypol

4. Tannins

5. Nicotine

  Gossypol

A Paint horse mare gives birth to an all white foal (see image). What clinical sign would you expect to see in a foal with lethal white syndrome?

1. Anhydrosis

2. Regurgitation

3. Constipation

4. Ataxia

Constipation  

A 6-year old female spayed indoor only domestic medium hair presents with a large raw lesion on its upper left lip. The owner reports the lesion has come and gone over the past few years. Which of these treatments would likely be most helpful?

1. Immunosuppressive therapy and a change to a hypoallergenic diet

2. Topical trifluridine and systemic clindamycin

3. Marginal surgical excision and radiation therapy

4. Wide surgical excision and chemotherapy

  Immunosuppressive therapy and a change to a hypoallergenic diet

A 4-year old female ferret presents with a history of an enlarged vulva and truncal alopecia. What is the most likely diagnosis?

1. Sertoli cell tumor

2. Hypothyroidism

3. Adrenal tumor

4. Insulinoma

Adrenal tumor

A 2-year old female spayed Dachshund presents for further evaluation as a result of a mass on the pinna noted by the owner. On physical exam, the only abnormality noted was this mass. Cytology is consistent with a histiocytoma. Which of the following is the most reasonable treatment option?

1. Chemotherapy using lomustine

2. Benign Neglect

3. Cryotherapy

4. Radical surgical excision

5. Radiation therapy

  Benign Neglect

You examine a very ill 4-year old Holstein dairy cow on a large commercial dairy. She freshened one week ago and was producing well, until she was found down and unwilling to rise this morning when you were called. T=103F or 39.4 C, HR=90, and RR=35. The scleral vessels are dark are enlarged, her rumen is fairly empty and the motility is poor, and she appears too weak to rise. Rectal exam reveals an involuting uterus which can be retracted, discharging a brownish red mucoid non-odorous lochia through the vagina. The left rear quarter of her udder is swollen, hot, painful, and discolored (see image), and contains a serum-like secretion with clumps of fibrin in it. What is your diagnosis?

1. Coliform mastitis

2. Hypocalcemia (milk fever)

3. Grain overload

4. Displaced abomasum

5. Metritis

Coliform mastitis

A 36 hour foal born from a multiparous mare presents for weakness, decreased appetite, and tachycardia. On physical exam, you examine the sclera as seen in the photo. Based on the signalment and findings, what is a likely cause?

1. Immune mediated thrombocytopenia

2. Congenital iron toxicity

3. Failure of passive transfer

4. Neonatal Isoerythrolysis

Neonatal Isoerythrolysis