Minerals and Trace Elements

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Questions and Answers

What is the primary function of calcium in the human body?

  • Transport of oxygen
  • Healing wounds
  • Stabilizing the structure of DNA, RNA, and ribosomes
  • Intracellular signalling control of muscles and nerves (correct)

What is the most common nutritional deficiency in the world?

  • Iron deficiency (correct)
  • Copper deficiency
  • Selenium deficiency
  • Zinc deficiency

Which of the following is a food source rich in calcium?

  • Yeast extract
  • Dark green leafy vegetables (correct)
  • Red meat
  • Dried fruit

What is a potential toxicity of excessive iron intake?

<p>Damage to the liver and other body tissue (B)</p>
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What is the primary function of zinc in the human body?

<p>Stabilizing DNA, RNA, and ribosomes (C)</p>
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What is a potential toxicity of ingesting 2g or more of Zinc?

<p>Nausea, vomiting, and fever (D)</p>
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What is the primary function of Sodium in the body?

<p>Maintains fluid balance in the body (D)</p>
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Which of the following foods is a good source of Potassium?

<p>Fruit juices (C)</p>
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What is a potential deficiency of Zinc?

<p>Immune defects (C)</p>
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What is the recommended daily intake of Sodium?

<p>1.5 grams (A)</p>
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