DVM Doctor of Veterinary Medicine MCQ 5

Question 1

Which layer of the cornea is responsible for providing the majority of the cornea's tensile strength?

Accepted Answer

Corneal stroma

Answer

The corneal stroma comprises approximately 90% of corneal thickness and consists of organized collagen lamellae, providing the majority of tensile strength.

Question 2

A dog is diagnosed with dilated cardiomyopathy. Which breed has the highest predisposition and is associated with taurine deficiency as a cause?

Accepted Answer

American Cocker Spaniel

Answer

American Cocker Spaniels have the highest documented association between DCM and taurine deficiency, often responding to taurine supplementation.

Question 3

During a bovine dystocia, the calf's head is present but both forelimbs are retained. What maneuver corrects this presentation?

Accepted Answer

Repulsion of the head and manual flexion of forelimbs into the birth canal

Answer

The head must be repelled using a head snare or hand to create space while the forelimbs are individually flexed and brought into the birth canal before applying traction.

Question 4

Which clotting factor deficiency is responsible for Hemophilia A in dogs?

Accepted Answer

Factor VIII

Answer

Hemophilia A is caused by a deficiency of Factor VIII (anti-hemophilic factor A), the most common inherited coagulopathy in dogs.

Question 5

A reptile patient has bilateral swollen eyelids and copious mucoid ocular discharge. The condition is not true conjunctivitis. What is the correct diagnosis?

Accepted Answer

Hypovitaminosis A causing subspectacular abscess

Answer

Hypovitaminosis A in reptiles causes squamous metaplasia of lacrimal ducts, leading to fluid accumulation behind the spectacle (subspectacular abscess), mimicking eye swelling.

DVM - Doctor of Veterinary Medicine Practice Test

DVM - Doctor of Veterinary Medicine Practice Test

DVM Doctor of Veterinary Medicine MCQ 5