Answers
Which one of the following vaccines is considered a core vaccine for South
American camelids?
A - Rabies
B - Tetanus
C - Listeria
D - Equine herpes virus I
E - Bovine viral diarrhea virus - CORRECT ANSWER B - Tetanus
Which of the following pairs of tissues can both cause increased serum alanine
aminotransferase (ALT) levels in dogs and cats?
A - Pancreas and intestine
B - Kidneys and pancreas
C - Liver and muscle
D - Spleen and adrenals
E - Heart and kidneys - CORRECT ANSWER C - Liver and muscle
When a foal is being treated with erythromycin (for Rhodococcus equi, for
example), the mare is at risk of developing enterocolitis due to which one of the
following organisms?
A - Escherechia coli
B - Clostridium novyi
C - Lawsonia intracellularis
D - Rhodococcus equi
E - Clostridium difficile - CORRECT ANSWER E - Clostridium difficile
Which one of the following choices is a major clinical complication of equine
pituitary pars intermedia dysfunction?
A - Dyshormonogenetic goiter
,B - Circling, head-pressing
C - Diabetes insipidus
D - Colic
E - Laminitis - CORRECT ANSWER E - Laminitis
A two-year-old Angus cow is presented with weakness of the hind limbs and a
staggering gait.
On physical exam, the heart rate and respiratory rate are slow and irregular, and
the pupils are dilated.
The cow's breath and urine smell like the odor of mouse urine.
Suddenly the cow's pulse becomes rapid and thready, she collapses, and dies of
apparent respiratory failure.
Which one of the following plants is most likely to have caused this spectrum of
clinical signs?
A - Pinus ponderosa (Western yellow pine)
B - Veratrum spp (False hellebore, Skunk cabbage)
C - Centaurea spp (Knapweed, Yellow star thistle)
D - Conium maculatum (Poison hemlock)
E - Tetradymia spp (Horsebrush) - CORRECT ANSWER D - Conium maculatum
(Poison hemlock)
You are presented a healthy ten-year-old maiden mare for breeding evaluation in
January in North America.
On rectal palpation, both ovaries have multiple, small (less than 15 mm) follicles
and no corpus lutea.
The uterus is flaccid with no edema.
Which one of the following choices is the most likely explanation of the findings in
this mare?
, A - Seasonal anestrus
B - The mare is in diestrus
C - Estrus has just passed
D - Early pregnancy
E - The mare is too old and now is infertile - CORRECT ANSWER A - Seasonal
anestrus
An 11-year-old male, neutered Cavalier King Charles spaniel is presented for an
episode of acute collapse with inability to support himself on the hind limbs and
disorientation.
Based on the radiographs and history, which one of the following tests would be
next indicated?
A - Magnetic resonance imaging
B - Edrophonium challenge test
C - Myelography
D - Bronchoscopy
E - Echocardiography - CORRECT ANSWER E - Echocardiography
An eight-year-old dog is found recumbent and non-responsive in a horse pasture.
His left pupil is small, the right one is moderately dilated but responds to light.
The right upper eyelid and lip are droopy, hanging lower than normal. Head
trauma is suspected.
The mucous membranes are pale pink, capillary refill time is 1-2 seconds.
T= 98.7°F, (37.0°C) [N 100-102.5°F, 37.8-39.2°C]
HR=56 [N 90-160 beats/min]
The respiratory rate and pattern are quite variable.
He breathes fast and deep for 5-6 breaths, then more slowly and shallowly, then
is apneic for 10 seconds. The pattern repeats over and over.
Click here to see a diagram of the respiratory pattern.