Canin Flashcards
An eight-year-old female spayed Boston terrier is presented with a solitary well-circumscribed mass two-cm in diameter on the left hip area, shown below. The owner reports that the mass occasionally appears inflamed, and that the dog has a history of allergies.
A fine needle aspirate of the mass stained with Diff-Quik is also shown below.
Based on the clinical presentation, cytological findings, and presumptive diagnosis, the owner opts for surgical resection.
What pre-operative treatment is indicated?
A - Adrenergic agonist; bronchodilators
B - No pre-operative treatment is indicated
C - H1 histamine receptor antagonist; corticosteroids
D - Bactericidal beta-lactam antibiotics; calcium channel blocker (vasodilator)
E - Nonsteroidal anti-inflammatory analgesics; H2 histamine blocker
C - H1 histamine receptor antagonist; corticosteroids
A client presents a 25-pound dog (11.4 kg) who was just observed swallowing a bottle cap.
Which one of the following choices would be the safest approach for this dog.
A - Administer motility modifiers to encourage passage
B - Administer silicon coated magnet to keep it in stomach until dissolution
C - Remove via endoscopy
D - Remove via gastrotomy
E - Administer a proton pump inhibitor to stimulate gastric acid secretion
C - Remove via endoscopy
A ten-year-old male neutered West Highland white terrier is presented with a recent history of polyuria/polydipsia, lethargy, and weight loss.
Physical exam reveals a grade 2/6 systolic heart murmur and mild muscle wasting along the lumbar spine.
Significant lab abnormalities include pancytopenia, hyperglobulinemia, hypercalcemia, and isosthenuria.
Bone marrow cytology is shown below.
What is the diagnosis?
A - Systemic lupus erythematosis
B - Osteosarcoma
C - Babesia canis
D - Multiple myeloma
E - Aplastic anemia
D - Multiple myeloma
A five-year-old boxer is presented for routine vaccinations.
The owner points out a small, smooth mass on the right ear. Fine needle aspiration cytology is shown below.
Which one of the following choices is the most likely diagnosis?
A - Histiocytoma
B - Lymphoma
C - Aural hematoma
D - Degranulating mast cell tumor
E - Bacterial infection
E - Bacterial infection
A four-year-old male neutered mixed breed dog is presented with acute collapse and respiratory distress. The dog has a two-month history of coughing and progressive exercise intolerance.
Exam reveals pale mucous membranes with a prolonged capillary refill time. Pulse quality is poor and there is jugular distention with a jugular pulse. There is abdominal distention with a palpable fluid wave.
Value Normal
T=103.5°F (39.7°C) 99.5-102.5°F (37.2-39.2°C)
HR=120 bpm 60-120
RR=34 brpm 15-34
Echocardiogram identifies a mass of worms in the right atrium and caudal vena cava.
What is the treatment of choice?
A - Start ivermectin and doxycycline
B - Prescribe furosemide and imidocarb
C - Grave prognosis, recommend euthanasia
D - Surgical worm removal
E - Immediately administer melarsomine
D - Surgical worm removal
A nine-year-old male neutered German shepherd is presented with unchecked bleeding from a cut on the gums above the right canine tooth. The owner relates that the dog has lost weight and had an episode of collapse three days ago, but he recovered.
On physical exam, the gums are pale with petechiae and ecchymotic hemorrhages. There is tachycardia and a palpable cranial abdominal mass.
A coagulation profile shows the following:
Thrombocytes= 82,533 per microliter. [N=200,000-900,000]
Buccal mucosal bleeding time (BMBT), increased
Activated partial thromboplastin time (aPTT), increased
Prothrombin time (PT), increased
Fibrin degradation products (FDPs), increased
What disorder of coagulation best fits this pattern?
A - Von Willebrand’s disease
B - Hepatic insufficiency
C - Disseminated intravascular coagulation
D - Idiopathic thrombocytopenia
E - Anticoagulant rodenticide toxicity
C - Disseminated intravascular coagulation
A person calls to say she adopted a friend’s dog and requests a copy of the dog’s medical record and radiographs. The former owner is a client at your clinic.
Which one of the following choices is the most appropriate action to take?
A - Give caller a copy of medical record and radiographs
B - Give caller a copy of medical record only
C - After physical exam, start a new medical record documenting previous issues
D - Give a summarized record with personal identifiers (vet, owner names) blocked out
E - Require original owner consent or court order to release information
E - Require original owner consent or court order to release information
What is the neuroanatomic cause of extensor rigidity in the forelimbs of a patient with Schiff-Sherrington posture?
A - Brachial plexus trauma
B - Polyradiculoneuritis of peripheral nerve sheaths at cervical intumescence
C - Subdural white matter compression at C6-T3
D - Interruption of inhibitory neuron input from lumbar spinal cord
E - Damage to thoracic spinocerebellar tracts in superficial white matter
D - Interruption of inhibitory neuron input from lumbar spinal cord
A six-year-old male neutered Yorkshire terrier is presented for routine examination. The owner has no current concerns.
Exam reveals a grade 3/6 left-sided systolic heart murmur. Pulse quality is strong and synchronous and there are no other abnormalities.
What is the most likely cause of the heart murmur?
A - Physiologic
B - Patent ductus arteriosus
C - Carnitine-deficient dilated cardiomyopathy
D - Aortic stenosis
E - Myxomatous mitral valve disease
E - Myxomatous mitral valve disease
Which canine parasite can cause cutaneous larva migrans in people?
A - Habronema spp.
B - Trichostrongylus spp.
C - Ancylostoma spp.
D - Spirocerca sp.
E - Trichuris spp.
C - Ancylostoma spp.
A six-year-old male neutered Doberman pinscher is presented for a one-week history of coughing, depression, and exercise intolerance.
Exam reveals tachycardia with an irregularly irregular heart rhythm and pulse deficits.
Once the dog is stabilized which initial diagnostic step is most appropriate?
A - Abdominal focused assessment with sonography for triage, trauma, and tracking rapid (AFAST) for hemoabdomen
B - CBC to identify anemia
C - Thoracic radiographs to evaluate for congestive heart failure
D - Ultrasound for pericardial effusion
E - Bronchoscopy for airway assessment
D - Ultrasound for pericardial effusion
A nine-year-old Irish setter is presented for vomiting. The owner states that the dog does not really retch, but spits up food soon after eating. The dog is normal otherwise.
A lateral thoracic radiograph is shown below.
What is the diagnosis?
A - Pulmonary bullae
B - Megaesophagus
C - Gastric foreign body
D - Persistent right aortic arch
E - Mediastinal mass
B - Megaesophagus
A 13-week-old puppy is presented for trauma after being attacked by another dog.
After stabilization, a series of radiographs show various issues (see below).
Which one of the following choices is the best next step to do for this patient?
A - Thoracocentesis and chest tube
B - Computerized tomography
C - Aspirate subcutaneous emphysema and apply snug body wrap
D - Suture lacerations and insert drains
E - Place an intravenous catheter and start IV fluids
A - Thoracocentesis and chest tube
