NAVLE North American Veterinary Licensing
Newest 2025- 2026 Updated Practice Exam |
200 Actual Most Tested Questions Collections
& Verified Detailed Answers | Tutor Verified
Success Exam) Graded A+
1. A 4-year-old Labrador retriever presents with acute vomiting and abdominal
pain after dietary indiscretion. Which diagnostic test is most appropriate as
an initial step
A. Exploratory laparotomy
B. Abdominal radiographs
C. CT scan
D. Endoscopy
Correct Answer: B ✓
Abdominal radiographs are the most appropriate initial diagnostic tool for
suspected gastrointestinal obstruction or foreign body. They are quick, accessible,
and help identify gas patterns or obstructive lesions before more invasive
procedures.
2. A dairy cow shows decreased milk production, fever, and a swollen quarter.
What is the most likely diagnosis
A. Metritis
B. Mastitis
C. Ketosis
D. Milk fever
Correct Answer: B ✓
The signs are classic for mastitis, characterized by inflammation of the mammary
,gland, reduced production, and systemic illness. Early detection is critical to
prevent economic loss.
3. A cat presents with polyuria, polydipsia, and weight loss. Which condition is
most likely
A. Hyperthyroidism
B. Diabetes mellitus
C. Chronic kidney disease
D. Hepatic lipidosis
Correct Answer: B ✓
Polyuria, polydipsia, and weight loss strongly indicate diabetes mellitus, especially
in cats. This results from insulin deficiency or resistance leading to hyperglycemia.
4. A horse with colic is most likely to show which clinical sign
A. Increased appetite
B. Rolling and pawing
C. Excess salivation
D. Lameness
Correct Answer: B ✓
Colic commonly presents with abdominal pain behaviors such as rolling, pawing,
and flank watching. These signs indicate gastrointestinal distress.
5. Which parasite is most commonly associated with heartworm disease in
dogs
A. Toxocara canis
B. Dirofilaria immitis
C. Ancylostoma caninum
D. Trichuris vulpis
Correct Answer: B ✓
Heartworm disease is caused by Dirofilaria immitis, transmitted via mosquitoes
and affecting the cardiopulmonary system.
, 6. A dog presents with pale mucous membranes and lethargy. Which
condition is most likely
A. Polycythemia
B. Anemia
C. Dehydration
D. Hypercalcemia
Correct Answer: B ✓
Pale mucous membranes indicate reduced red blood cell concentration, a
hallmark of anemia, leading to decreased oxygen delivery.
7. Which vaccine is considered core for dogs
A. Bordetella
B. Rabies
C. Lyme
D. Leptospirosis
Correct Answer: B ✓
Rabies is a core vaccine due to its zoonotic risk and legal requirements in most
jurisdictions.
8. A goat presents with neurological signs and circling. What is the likely cause
A. Listeriosis
B. Rabies
C. Tetanus
D. Polioencephalomalacia
Correct Answer: A ✓
Circling and neurologic deficits in ruminants are classic for listeriosis, caused by
Listeria monocytogenes, often from silage ingestion.
9. Which electrolyte imbalance is most common in vomiting animals
A. Hyperkalemia
B. Hypokalemia
C. Hypernatremia
D. Hypercalcemia
, Correct Answer: B ✓
Vomiting leads to loss of potassium, causing hypokalemia, which affects muscle
and cardiac function.
10.A horse has a digital pulse and hoof pain. What is the likely diagnosis
A. Laminitis
B. Navicular disease
C. Abscess
D. Arthritis
Correct Answer: A ✓
Laminitis involves inflammation of the laminae, leading to pain, bounding digital
pulses, and potential hoof rotation.
11.A cat with hyperthyroidism is most likely to show
A. Weight gain
B. Bradycardia
C. Weight loss despite appetite
D. Hypothermia
Correct Answer: C ✓
Hyperthyroidism causes increased metabolic rate, leading to weight loss despite
increased appetite.
12.A dog ingests chocolate. Which compound is toxic
A. Caffeine
B. Theobromine
C. Nicotine
D. Ethanol
Correct Answer: B ✓
Chocolate toxicity is due to theobromine, which affects the central nervous and
cardiovascular systems.
13.A cow with “hardware disease” is suffering from
A. Viral infection
Newest 2025- 2026 Updated Practice Exam |
200 Actual Most Tested Questions Collections
& Verified Detailed Answers | Tutor Verified
Success Exam) Graded A+
1. A 4-year-old Labrador retriever presents with acute vomiting and abdominal
pain after dietary indiscretion. Which diagnostic test is most appropriate as
an initial step
A. Exploratory laparotomy
B. Abdominal radiographs
C. CT scan
D. Endoscopy
Correct Answer: B ✓
Abdominal radiographs are the most appropriate initial diagnostic tool for
suspected gastrointestinal obstruction or foreign body. They are quick, accessible,
and help identify gas patterns or obstructive lesions before more invasive
procedures.
2. A dairy cow shows decreased milk production, fever, and a swollen quarter.
What is the most likely diagnosis
A. Metritis
B. Mastitis
C. Ketosis
D. Milk fever
Correct Answer: B ✓
The signs are classic for mastitis, characterized by inflammation of the mammary
,gland, reduced production, and systemic illness. Early detection is critical to
prevent economic loss.
3. A cat presents with polyuria, polydipsia, and weight loss. Which condition is
most likely
A. Hyperthyroidism
B. Diabetes mellitus
C. Chronic kidney disease
D. Hepatic lipidosis
Correct Answer: B ✓
Polyuria, polydipsia, and weight loss strongly indicate diabetes mellitus, especially
in cats. This results from insulin deficiency or resistance leading to hyperglycemia.
4. A horse with colic is most likely to show which clinical sign
A. Increased appetite
B. Rolling and pawing
C. Excess salivation
D. Lameness
Correct Answer: B ✓
Colic commonly presents with abdominal pain behaviors such as rolling, pawing,
and flank watching. These signs indicate gastrointestinal distress.
5. Which parasite is most commonly associated with heartworm disease in
dogs
A. Toxocara canis
B. Dirofilaria immitis
C. Ancylostoma caninum
D. Trichuris vulpis
Correct Answer: B ✓
Heartworm disease is caused by Dirofilaria immitis, transmitted via mosquitoes
and affecting the cardiopulmonary system.
, 6. A dog presents with pale mucous membranes and lethargy. Which
condition is most likely
A. Polycythemia
B. Anemia
C. Dehydration
D. Hypercalcemia
Correct Answer: B ✓
Pale mucous membranes indicate reduced red blood cell concentration, a
hallmark of anemia, leading to decreased oxygen delivery.
7. Which vaccine is considered core for dogs
A. Bordetella
B. Rabies
C. Lyme
D. Leptospirosis
Correct Answer: B ✓
Rabies is a core vaccine due to its zoonotic risk and legal requirements in most
jurisdictions.
8. A goat presents with neurological signs and circling. What is the likely cause
A. Listeriosis
B. Rabies
C. Tetanus
D. Polioencephalomalacia
Correct Answer: A ✓
Circling and neurologic deficits in ruminants are classic for listeriosis, caused by
Listeria monocytogenes, often from silage ingestion.
9. Which electrolyte imbalance is most common in vomiting animals
A. Hyperkalemia
B. Hypokalemia
C. Hypernatremia
D. Hypercalcemia
, Correct Answer: B ✓
Vomiting leads to loss of potassium, causing hypokalemia, which affects muscle
and cardiac function.
10.A horse has a digital pulse and hoof pain. What is the likely diagnosis
A. Laminitis
B. Navicular disease
C. Abscess
D. Arthritis
Correct Answer: A ✓
Laminitis involves inflammation of the laminae, leading to pain, bounding digital
pulses, and potential hoof rotation.
11.A cat with hyperthyroidism is most likely to show
A. Weight gain
B. Bradycardia
C. Weight loss despite appetite
D. Hypothermia
Correct Answer: C ✓
Hyperthyroidism causes increased metabolic rate, leading to weight loss despite
increased appetite.
12.A dog ingests chocolate. Which compound is toxic
A. Caffeine
B. Theobromine
C. Nicotine
D. Ethanol
Correct Answer: B ✓
Chocolate toxicity is due to theobromine, which affects the central nervous and
cardiovascular systems.
13.A cow with “hardware disease” is suffering from
A. Viral infection
