ZUKU NAVLE ACTUAL EXAM PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+
◉ 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. 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. 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. 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). 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. 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. 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.
QUESTIONS WITH SOLUTIONS GRADED A+
◉ 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. 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. 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. 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). 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. 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. 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.
