March 2025

You are working with a farmer who is having trouble with calves between the age of 2 weeks and 6 months. They are alert, but weak, dyspneic and die suddenly. On necropsy they have pale cardiac and skeletal muscles. What is the farmer's problem?

1. Sorghum toxicity

2. Selenium deficiency

3. Copper deficiency

4. Lightning strike

Selenium deficiency

What is the main mode of transmission for feline leukemia virus?

1. Shedding of virus via feces

2. Shedding of virus via saliva

3. Aerosol transmission

4. Fomite transmission

Shedding of virus via saliva

Coat color and sun exposure likely predisposed this cat to developing the tumor seen in the photo.

1. Melanoma

2. Basal cell tumor

3. Squamous cell carcinoma

4. Mast cell tumor

  Squamous cell carcinoma

Once infected, for what period of time is canine parvovirus usually shed?

1. 2-3 months

2. 5-6 months

3. 1-2 months

4. 7-10 days

7-10 days

"Paige" is a 6-year-old Shar-Pei mix who presented with a history of coughing, lethargy, and intermittently favoring her right forelimb. You are practicing in the southwest, and test her for Coccidioides immitis and get the following results: Coccidioides IgG Antibody Positive Coccidioides IgM Antibody Positive Immunodiffusion Titer: AB Present @ > or equal to 1:256 You recommend starting her on anti-fungal medications and prescribe itraconazole. The owner would like to know if she will have any side effects. Which of the following is a known adverse effect of itraconazole administration in a dog?

1. Ulcerative skin lesions

2. Neurologic symptoms

3. Renal toxicity

4. Hyperactivity

  Ulcerative skin lesions

Which of these drugs is a neuromuscular blocker when given to a dog?

1. Edrophonium

2. Naloxone

3. Atracurium

4. Neostigmine

5. Fentanyl

  Atracurium

What species is the principle carrier and vector of Malignant Catarrhal Fever (MCF) virus in North America?

1. Donkey

2. Horse

3. Cattle

4. Sheep

5. Bison

Sheep

A 6-month old cat presents for having ptyalism and for being underweight. On physical examination, you note a bright copper color to the cat's iris bilaterally. What is this suggestive of? Hemolytic anemia Portal systemic shunt Toxoplasmosis Polycystic kidney disease

  Portal systemic shunt

Many turkeys on a poultry farm develop whitish "wart-like" nodules and scabs on the comb, wattles, feet, and vent. Which management intervention would help prevent spread of the disease? Add antibiotics to the drinking water Immediate removal of fecal waste Raise the room temperature 5 degrees Tick control Thoroughly disinfect pens and equipment Mosquito control

  Mosquito control

You have a 6-kg cat that you wish to raise his PCV from 15 to 25%. You plan to administer packed red blood cells. How many milliliters of packed red blood cells will this cat need? 60 ml 120 ml 30 ml 15 ml

60 ml

A 2-year old male castrated mixed breed dog presents for an altered gait after being hit by a car. On physical exam, the thoracic limbs had decreased biceps and triceps reflexes and decreased muscle tone. The pelvic limbs had hyper-reflexive patellar and gastrocnemius reflexes and increased muscle tone. Where is the spinal cord lesion?

1. C6-T2

2. C1-C5

3. T3-L3

4. L4-S3

  C6-T2

A 5-year old male castrated Mastiff presents for left pelvic limb lameness. The medial aspects of both stifles are thickened. Manipulation of the left stifle reveals cranial motion of the tibia relative to the femur and a clicking sound from the joint on flexion and extension. What is the most likely diagnosis?

1. Left luxating patella

2. Left cranial cruciate ligament rupture with no meniscal cartilage tear

3. Left caudal cruciate ligament rupture with no meniscal cartilage tear

4. Left cranial cruciate ligament rupture with meniscal cartilage tear

Left cranial cruciate ligament rupture with meniscal cartilage tear

You diagnose a dog with mites. Which of the following mites is not contagious to other dogs?

1. Cheyletiella spp.

2. Sarcoptes spp.

3. Demodex spp.

4. Psoroptes spp.

Demodex spp.

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 tell her?

1. You recommend a coronavirus titer to determine it the cat is actively infected

2. Place the cat on L-lysine to prevent or suppress any infection with FIP

3. Perform a PCR on the cat's feces to see if the virus is being shed

4. Her other cat may develop symptoms within the next two weeks because FIP is highly contagious

5. Feline infectious peritonitis is not contagious and because her other cat died of FIP does not mean this cat will succumb to the disease

  Feline infectious peritonitis is not contagious and because her other cat died of FIP does not mean this cat will succumb to the disease

Several litters of 2 to 3 day old pigs have recently died rapidly with hemorrhagic enteritis. Post mortem lesions include mucosal hemorrhage, necrosis and emphysema in the small intestines. What pathogen is most likely to cause these signs?

1. Clostridium perfringens type C

2. Glaesserella parasuis

3. Salmonella choleraesuis

4. Enterotoxigenic E. coli

5. Erysipelothrix rhusiopathiae

  Clostridium perfringens type C

A 6-year old male neutered Weimaraner presents for right forelimb lameness. Radiographs are shown below and show a mixed productive and destructive lesion affecting the right distal radius with accompanying soft tissue swelling. The lesion does not cross the joint. What is the most common primary bone tumor in the dog?

1. Chondrosarcoma

2. Multiple myeloma

3. Osteosarcoma

4. Hemangiosarcoma

5. Fibrosarcoma

  Osteosarcoma

Closure of the eyes is mediated by cranial nerve ____ and opening the eyes is mediated by CN ____.

1. VII, V

2. V, VII

3. III, VII

4. VII, III

5. V, III

  V, VII

A 6-year old female spayed English Pointer presents for lethargy and weight gain. The owner notes that the dog is eating and drinking a normal amount, but the dog is still gaining weight. A physical exam reveals weak pelvic limbs, facial nerve paralysis, a symmetrically patchy haircoat, and seborrhea. Lab work reveals a normocytic, normochromic anemia with a PCV of 29% (35-57%), lipemic serum, and cholesterol of 1090 mg/dl (135-278 mg/dl). What is the most likely diagnosis?

1. Adrenal dependent hyperadrenocorticism

2. Hyperthyroidism

3. Hypothyroidism

4. Pituitary dependent hyperadrenocorticism

Hypothyroidism

A 13-year old spayed female Miniature Poodle presents with two mobile, soft, well-circumscribed, subcutaneous sternal masses, 3 cm and 6 cm in diameter, respectively. The owner had noticed one mass three months previously. Fine needle aspiration of both masses is performed and smears are prepared. A representative field of both specimens is illustrated below (Wright's 20X). What is your diagnosis?

1. Mesenchymal neoplasia (sarcoma)

2. Mast cell tumor

3. Lipoma

4. Fungal granuloma

  Lipoma

Several beef cows present with a history of decreased appetite and excessive salivation. On physical exam, their tongues are firm on palpation, nodular, and painful (see image). You diagnose actinobacillosis. What is your recommendation to the owner?

1. Isolate affected animals and submit one of them for necropsy

2. Isolate animals at once

3. Sell affected animals for meat

4. Change feed and treat

5. Begin therapy with an aminoglycoside

  Change feed and treat