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

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

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

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

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

How does potassium affect calcium excretion according to the text?

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

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

<p>Magnesium competes with calcium (B)</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 (C)</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) (C)</p> Signup and view all the answers

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