Free Qualifying Science Examination Practice Questions

Sample Practice Questions

Try these 10 sample questions from the Qualifying Science Examination practice bank. Each includes the answer and explanation. Continue with the interactive practice above to review the full question set.

1. 1During abdominal surgery in a dog, which membrane normally covers the abdominal viscera?

   1. A. Peritoneum
   2. B. Pleura
   3. C. Pericardium
   4. D. Synovium

   Answer: A

   Explanation: The Merck Veterinary Manual states, "The peritoneum covers the abdominal viscera and is involved in many GI diseases." Thus the membrane covering the dog's abdominal organs is the peritoneum; the other membranes cover different anatomical structures.

   Reference: The Digestive System in Animals — Merck Veterinary Manual — Introduction, gastrointestinal tract anatomy

2. 2A dog with acute abdominal pain is evaluated for pancreatitis. Which serum test is the most specific diagnostic test among these pancreatic assays?

   1. A. Serum trypsin-like immunoreactivity
   2. B. Serum total amylase activity
   3. C. Serum total lipase activity
   4. D. Serum pancreatic lipase immunoreactivity

   Answer: D

   Explanation: "Measurement of pancreatic lipase immunoreactivity (PLI) is specific for the measurement of pancreatic lipase concentration in serum and is thus the most specific diagnostic test for pancreatitis (12)." Pancreatic lipase immunoreactivity is the specific serum assay; the other pancreatic-associated assays are less specific.

   Reference: Pancreatitis in Dogs and Cats — Merck Veterinary Manual — Diagnosis of Pancreatitis in Dogs and Cats, serum PLI

3. 3A general practitioner needs a specialist to assume responsibility for a patient's diagnosis and treatment rather than merely provide advice. What professional interaction accomplishes that transfer?

   1. A. Formal referral to the receiving veterinarian
   2. B. Informal consultation with the specialist
   3. C. Joint case discussion without transfer
   4. D. Specialist review of laboratory results

   Answer: A

   Explanation: The AVMA guidance states, "Referral is the transfer of responsibility of diagnosis and treatment from a referring veterinarian to a receiving veterinarian." Referral transfers responsibility to the receiving veterinarian; consultation or advice alone does not.

   Reference: Principles of Veterinary Medical Ethics of the AVMA — Referral, transfer of diagnosis and treatment responsibility

4. 4A veterinarian traces the normal route of inhaled air in a mammal. Which structure first warms and humidifies the air in the upper airway?

   1. A. Tracheal rings
   2. B. Nasal turbinates
   3. C. Bronchial walls
   4. D. Alveolar sacs

   Answer: B

   Explanation: The respiratory anatomy description says, "The nasal turbinates initially humidify and warm inhaled air and filter particulate matter." They are therefore the initial warming and humidifying structures in this route.

   Reference: The Respiratory System in Animals — Merck Veterinary Manual — Introduction, upper airway

5. 5A dog with suspected pancreatitis has nonspecific changes on abdominal radiographs. How should those images contribute to diagnosis?

   1. A. Treat the radiographic pattern as specific for pancreatitis
   2. B. Use the images to assess differentials without sole confirmation
   3. C. Exclude pancreatitis when the images lack pancreatic detail
   4. D. Use the images to grade pancreatic necrosis without other tests

   Answer: B

   Explanation: The guidance states, "Abdominal radiographs may show decreased detail in the proximal abdominal cavity and displacement of abdominal organs; these findings are also nonspecific, and a diagnosis based on radiographic findings alone should not be made. However, abdominal radiographs are valuable to exclude other differential diagnoses in animals with suspected pancreatitis." The images can exclude alternative causes but cannot independently confirm pancreatitis.

   Reference: Pancreatitis in Dogs and Cats — Merck Veterinary Manual — Diagnosis of Pancreatitis in Dogs and Cats, radiographs

6. 6After a veterinarian and client establish a VCPR, which party may terminate that relationship at any time under the AVMA ethics principles?

   1. A. The attending veterinarian
   2. B. The consulting specialist
   3. C. The client
   4. D. The practice owner

   Answer: C

   Explanation: The AVMA ethics principles state, "A client may terminate the VCPR at any time." The attending veterinarian's separate duty of continuity after beginning care does not replace this client right.

   Reference: Principles of Veterinary Medical Ethics of the AVMA — Veterinarian-Client-Patient Relationship, client termination

7. 7A clinician follows normal blood flow from the left atrium into the left ventricle of a dog. Which valve lies between those chambers?

   1. A. Aortic valve
   2. B. Tricuspid valve
   3. C. Mitral valve
   4. D. Pulmonary valve

   Answer: C

   Explanation: The described flow sequence includes "pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve". The mitral valve therefore occupies the requested position between the left atrium and ventricle.

   Reference: The Cardiovascular System in Animals — Merck Veterinary Manual — Introduction, normal blood flow through the heart

8. 8A dog has acute pancreatitis without evidence of bacterial infection. Which antimicrobial plan is supported by current guidance?

   1. A. Prescribe routinely for every inflammatory pancreatitis episode
   2. B. Withhold routine antimicrobials without a separate indication
   3. C. Prescribe whenever the pancreatic lipase result is high
   4. D. Prescribe whenever abdominal ultrasonography is abnormal

   Answer: B

   Explanation: The pancreatitis guidance states, "Antimicrobials are of questionable value for pancreatitis and should not be used routinely." In this uncomplicated nonbacterial episode, there is no routine antimicrobial indication.

   Reference: Pancreatitis in Dogs and Cats — Merck Veterinary Manual — Treatment of Pancreatitis in Dogs and Cats, antimicrobials

9. 9An injured stray arrives for urgent care, and no client can be identified to establish a VCPR. Which category of care may a veterinarian still render in good faith under the AVMA principle?

   1. A. Emergency or urgent veterinary care
   2. B. Elective cosmetic veterinary care
   3. C. Routine wellness veterinary care
   4. D. Nonurgent breeding veterinary care

   Answer: A

   Explanation: The AVMA principle states, "A veterinarian who in good faith engages in the practice of veterinary medicine by rendering or attempting to render emergency or urgent care, including euthanasia, to an animal when a client cannot be identified and a VCPR is not established should act in the best interest of the animal, irrespective of the veterinarian’s inability to establish a VCPR." The injured stray qualifies for good-faith urgent care.

   Reference: Principles of Veterinary Medical Ethics of the AVMA — Veterinarian-Client-Patient Relationship

10. 10On a histologic section of a dog's adrenal gland, which region forms the outermost cortical zone?

    1. A. Adrenal medulla
    2. B. Zona fasciculata
    3. C. Zona reticularis
    4. D. Zona glomerulosa

    Answer: D

    Explanation: The adrenal anatomy section states, "The outermost zone (zona glomerulosa) synthesizes and secretes mineralocorticoids." The zona glomerulosa is the outermost cortical region; the fasciculata and reticularis are deeper cortical zones, and the medulla is central.

    Reference: Overview of the Adrenal Glands in Animals — Merck Veterinary Manual — Adrenal Cortex in Animals