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 Diabetes insipidus Late onset Cushing's disease Early-onset Addison's disease

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? Progressive retinal atrophy Retinal dysplasia Cataracts Cone degeneration

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

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 Inhibits normal blood clotting Causes muscle cramping Interferes with normal digestion

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

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? Siberian husky Irish setter Portuguese water dog Brittany

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

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? Greyhound Miniature schnauzer Boxer German shepherd

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? Exercise intolerance of Labrador retrievers Craniosynostosis Muscular dystrophy Labrador retriever myopathy

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

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

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? Regular heartbeats Immune system proteins Digestive enzymes Certain cells in the eye

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? Scottish deerhounds Italian greyhounds Basset hounds Borzoi

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

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

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