Breed-Specific Genetic Problems

15 Points Per Correct Answer - No time limit  

1. The Nova Scotia duck tolling retriever suffers from a hormonal malady unknown in other breeds. What is it? Early-onset hypothyroidism Early-onset Addison's disease Late onset Cushing's disease Diabetes insipidus

2. Cyclic neutropenia, an immunodeficiency that leads to repeated infections and bleeding, is found only in a certain color of dog. Which one? Black Labrador retrievers Red Dobermans Gray collies White boxers

3. There are many genetic eye disorders in dogs. Which of the following is found only in the German shorthaired pointer? Cone degeneration Cataracts Progressive retinal atrophy Retinal dysplasia

4. Irish setters can suffer from a fatal immunodeficiency disease found only in this breed. What is it called? Congenital agammaglobulinemia Adenosine deaminase deficiency Severe combined immunodeficiency Canine leukocyte adhesion deficiency

5. Briards suffer from a type of blindness found only in their breed. What is it? Progressive retinal atrophy Glaucoma Congenital stationary night blindness Photoreceptor dysplasia

6. Fucosidosis, found only in the English springer spaniel, is an example of what type of disease? Storage disease Congenital deafness Progressive retinal atrophy Immunodeficiency

7. Basset hounds can suffer from a disorder called basset hound thrombopathia. What does this disorder do? Inflames blood vessels in the heart Interferes with normal digestion Causes muscle cramping Inhibits normal blood clotting

8. Miniature schnauzers can suffer from a disorder called sick sinus syndrome. What body system does this disorder affect? Respiratory Cardiovascular Nervous Integumentary

9. Progressive retinal atrophy is perhaps the most common genetic cause of blindness in dogs. In most breeds, PRA is inherited as an autosomal recessive trait. In which of the following breeds is PRA inherited as a X-linked recessive? Portuguese water dog Brittany Irish setter Siberian husky

10. Irish setters suffer from a disease that is similar to celiac disease in humans. What is this disorder called? Histiocytic ulcerative colitis Gluten-sensitive enteropathy Protein-losing enteropathy Pyloric stenosis

11. As carnivores, most dogs tolerate cholesterol in their diet much better than humans do. However, one breed often has a genetic disorder that interferes with cholesterol metabolism. Which breed? German shepherd Greyhound Miniature schnauzer Boxer

12. Labrador retrievers between 3 and 6 months of age which demonstrate stunted growth, weakness, a bunny-hopping gait and muscle atrophy may have what disorder? Craniosynostosis Exercise intolerance of Labrador retrievers Labrador retriever myopathy Muscular dystrophy

13. Myotonia, a disorder that affects the ability of muscles to relax, is sen in what breed? Chow chows Miniature poodles Beagles Collies

14. Beagle pain syndrome is a type of what disorder? Neuropathy Myopathy Encephalitis Meningitis

15. Collies can suffer from bullous pemphigoid; an immune system disorder. Which of the following is NOT true about this disorder? It causes susceptibility to respiratory infections It is treated with steroids It causes large blisters to form, and then burst, on the dog's skin and in the mouth It is worsened by exposure to ultraviolet light

16. Brittanies can have a condition called complement deficiency. What are affected dogs lacking? Certain cells in the eye Regular heartbeats Immune system proteins Digestive enzymes

17. In the 70s and 80s, David Vetter lived for 12 years in a plastic bubble that kept germs from him. His condition, severe combined immunodeficiency (SCID), is also seen in Arabian horses and what breed of dog? Basset hounds Borzoi Italian greyhounds Scottish deerhounds

18. Familial Shar-Pei fever (FSF) is an autosomal recessive disorder. Which of the following is NOT a symptom? Skin lesions Swollen joints, especially the hock joint Episodic fever of 103-107 F Abdominal pain

19. In Dalmatian bronzing syndrome, what does "bronzing" refer to? Accumulation of bronze in the liver Bronze discoloration of the hair Bronze discoloration of the teeth Bronze discoloration of the skin

20. Lethal acrodermatitis in the bull terrier is related to metabolism of what mineral? Iron Calcium Zinc Copper