Functions of Vitamins in the Human Body
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Questions and Answers

Which of the following vitamins is essential for the synthesis of several clotting factors by the liver?

  • Vitamin E
  • Vitamin B12
  • Vitamin K (correct)
  • Vitamin C

    • Which vitamin promotes protein synthesis and helps in wound healing?

  • Vitamin B6
  • Vitamin A
  • Vitamin C (correct)
  • Vitamin D

    • Which of the following vitamins is a component of enzyme systems synthesizing nitrogenous bases of DNA and RNA?

  • Folic acid (correct)
  • Vitamin B6
  • Vitamin A
  • Vitamin C

    • Which vitamin acts as an antioxidant and helps in the absorption of calcium and phosphorus from the gastrointestinal tract?

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

    Which of the following water-soluble vitamins act as coenzymes with other enzymes that are essential for metabolism and other reactions?

    <p>Vitamins B1, B2, Niacin, B6, B12, Pantothenic acid, and Biotin</p> Signup and view all the answers

    Which vitamin helps in the formation of cell structures, especially membranes?

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

    Which of the following minerals is a component of hemoglobin and reversibly binds oxygen?

    <p>Iron</p> Signup and view all the answers

    Which of the following vitamins is considered water-soluble and poses little risk of hypervitaminosis?

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

    Which mineral is required for the synthesis of thyroid hormones?

    <p>Iodide</p> Signup and view all the answers

    Which of the following vitamins is fat-soluble?

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

    Which mineral supplementation is often recommended for pregnant or breastfeeding women?

    <p>Both iron and calcium</p> Signup and view all the answers

    Which mineral is involved in carbon dioxide metabolism, growth, wound healing, taste sensations, appetite, and normal sperm counts?

    <p>Zinc</p> Signup and view all the answers

    Which of the following is a potential consequence of excessive vitamin A intake?

    <p>All of the above</p> Signup and view all the answers

    Which of the following statements about vitamins is true?

    <p>Most vitamins with known functions are coenzymes.</p> Signup and view all the answers

    Which vitamin supplementation is recommended for strict vegetarians to prevent deficiency?

    <p>Vitamin B12</p> Signup and view all the answers

    Which of the following is a potential risk associated with excessive consumption of lipid-soluble vitamins?

    <p>Toxicity and adverse effects</p> Signup and view all the answers

    How are some vitamins obtained by the body?

    <p>Both B and C are correct.</p> Signup and view all the answers

    Which mineral supplementation is often recommended for individuals with excessive menstrual bleeding?

    <p>Iron</p> Signup and view all the answers

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