Vitamin A Quiz

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Questions and Answers

Which vitamin is primarily found in plant foods and plays a key role in the production of blood-clotting factors?

  • Vitamin K (correct)
  • Vitamin E
  • Vitamin A
  • Vitamin D

What is the main function of vitamin E in the body?

  • Protection against chronic disease (correct)
  • Impairment of the immune system
  • Production of blood-clotting factors
  • Prevention of nerve damage

What are the general characteristics of water-soluble vitamins?

  • They are primarily found in animal foods
  • Supplements may lead to toxic doses (correct)
  • They are primarily absorbed by fat tissues
  • They are stored in the body for long periods

Which vitamins are commonly added to refined grains during the enrichment process?

<p>Thiamin, Riboflavin, and Niacin (C)</p> Signup and view all the answers

Which vitamin is known to be a derivative of vitamin A with toxicity concerns, especially in pregnancy?

<p>Vitamin D (D)</p> Signup and view all the answers

What is the main form of vitamin E found in blood and used by the body?

<p>Alpha-tocopherol (A)</p> Signup and view all the answers

Which vitamin, when deficient, can cause bone abnormalities like rickets in children and osteomalacia in adults?

<p>Vitamin D (B)</p> Signup and view all the answers

Which compound is responsible for the yellow/orange pigment in certain foods and is a precursor to vitamin A?

<p>Beta-carotene (D)</p> Signup and view all the answers

Which vitamin is essential for vision, reproduction, cellular growth, and the immune system?

<p>Vitamin A (C)</p> Signup and view all the answers

Which vitamin is formed from ergocalciferol in plant foods and cholecalciferol in animal foods?

<p>Vitamin D (B)</p> Signup and view all the answers

Which vitamin is known to cause night blindness and xerophthalmia when deficient?

<p>Vitamin A (A)</p> Signup and view all the answers

Which vitamin is associated with calcium and phosphorus absorption, bone health, and reducing the risk of chronic diseases?

<p>Vitamin D (A)</p> Signup and view all the answers

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