Retinol and Pro-vitamin A Quiz
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Questions and Answers

What is the main metabolic function of retinol?

  • Bone growth
  • Muscle function
  • Immune function
  • Formation and integrity of epithelia and mucous membranes (correct)
  • Which of the following sources can contribute to retinol deficiency?

  • Cereal grains and meat (correct)
  • Liver (cod liver oil)
  • Milk fat
  • Egg yolk
  • What is the precursor for active retinol during absorption through the gut wall?

  • Vitamin C
  • Beta carotene (correct)
  • Vitamin E
  • Vitamin D
  • In which animals does the ability to convert beta carotene to active retinol vary with age, breed, and health?

    <p>Young animals</p> Signup and view all the answers

    What are potential problems associated with retinol deficiency in cats?

    <p>Foetal defects and infertility</p> Signup and view all the answers

    Which of the following can result from excess fish liver (oil) intake in dogs/cats?

    <p>Abnormal bone deposition and lameness</p> Signup and view all the answers

    What is the primary source of vitamin D for most animals?

    <p>Sunlight on skin</p> Signup and view all the answers

    What is the consequence of vitamin D deficiency in young growing animals?

    <p>Weak, deformed bones</p> Signup and view all the answers

    Which vitamin is essential for protecting cells from oxidative damage caused by free radicals?

    <p>Vitamin E</p> Signup and view all the answers

    What is the primary source of Vitamin E in the diet of animals?

    <p>Cereals high in barley</p> Signup and view all the answers

    Which vitamin is important for the normal clotting of blood, bone, and kidney function?

    <p>Vitamin K</p> Signup and view all the answers

    What is the consequence of tocopherol (Vitamin E) deficiency in horses?

    <p>Lameness and muscle stiffness</p> Signup and view all the answers

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