Interaction of Potassium with other Nutrients
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Questions and Answers

What nutrient can interfere with the absorption of copper?

  • Vitamin C (correct)
  • Phytic acid
  • Zinc
  • Vitamin A
  • Which nutrient is known to react with copper, interfering with its absorption?

  • Magnesium
  • Calcium
  • Phytic acid
  • Iron (correct)
  • What mineral can form an insoluble complex with calcium, reducing its absorption?

  • Zinc
  • Oxalic acid (correct)
  • Iron
  • Potassium
  • Which pair of nutrients can inhibit the body's supply of each other unless included together in the diet?

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

    What nutrient, if present in high levels from supplements, can decrease the absorption of calcium from the intestine?

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

    In the context of calcium and iron absorption, what negative effect has not been confirmed in long-term supplementation studies?

    <p>Calcium inhibiting iron absorption</p> Signup and view all the answers

    What food component binds to minerals making them unavailable due to its chelating property?

    <p>Phytic acid</p> Signup and view all the answers

    Why might it make sense to cut meal-time consumption of a glass of cow's milk in half when consuming an iron-rich meal?

    <p>To increase iron absorption</p> Signup and view all the answers

    Which mineral's absorption does phytic acid inhibit according to the information provided?

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

    What has been reported to increase the bioavailability of many cations and the nutritional value of a meal?

    <p>Removal of phytic acid</p> Signup and view all the answers

    Which mineral's absorption has some researchers recommended avoiding calcium supplements alongside meals for individuals with high requirements?

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

    What is the main function of the 'sodiumpotassium' pump described in the text?

    <p>Initiating muscle contraction and nerve transmission</p> Signup and view all the answers

    In what way does potassium differ from sodium in terms of storage in the body?

    <p>Potassium is stored inside cells, while most sodium is stored around cells</p> Signup and view all the answers

    How does potassium affect calcium excretion according to the text?

    <p>Potassium decreases calcium excretion</p> Signup and view all the answers

    What role does magnesium play in the balance between calcium and magnesium?

    <p>Magnesium competes with calcium</p> Signup and view all the answers

    How do healthy diets need to balance their intake of calcium and magnesium based on the text?

    <p>Including foods rich in both calcium and magnesium</p> Signup and view all the answers

    'Iodine with selenium' interaction is essential for which conversion process according to the text?

    <p>Conversion of thyroxine (T4) to triiodothyronine (T3)</p> Signup and view all the answers

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