The Revision Guide for Student Nurses (Part I)

Congenital & Hereditary Defects


  1. What is the difference between a congenital and a hereditary defect?
  2. What is meant by a phenocopy?
  3. List 2 examples of congenital defect that may affect any breed of dog or cat.
  4. What is hip dysplasia?
  5. List 4 dog breeds commonly affected by hip dysplasia?
  6. What are the names of the 2 organisations which run a scheme for testing prospective sires and dams for hip dysplasia?
  7. What is the minimum age for a dog to be tested under the BVA/Kennel Club Hip Dysplasia Scheme?
  8. List 4 examples of hereditary eye defects.
  9. What organisations run a scheme to monitor inherited ocular disease?
  10. What is the difference between ectropion and entropion?
  11. Name 2 dog breeds commonly affected by entropion.
  12. What is the difference between cryptorcidism and monorchidism?
  13. What breed of dog is prone to Wobbler syndrome?
  14. Name 2 breeds of dog that may be affected by progressive axonopathy?
  15. What inherited defect may affect red cocker spaniels?
  16. What colour is cause by an incomplete dominant gene and may be seen in conjunction with deafness?
  17. What common inherited abnormality affects white cats with blue eyes?
  18. What breed of cat may be affected by congenital hypokalaemia?
  19. What breed of cat may be affected by flat-chested kitten syndrome?
  20. What inherited defect of the cat may show the following characteristics if the offspring is homozygous: a thickened tail, swollen feet & disinclination to move?