Phosphorus and Nutrition
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Questions and Answers

What is the main function of phosphorus in the body?

  • Energy storage in the form of ATP
  • Structural component of bone and phospholipids (correct)
  • Activation of enzymes
  • Buffering acid or alkali excesses

What percentage of phosphorus is found in soft tissues?

  • 15% (correct)
  • 30%
  • 10%
  • 25%

What is the main source of phosphorus in the diet?

  • Milk
  • Yogurt
  • Cheese
  • Salmon (correct)

How is phosphorus mostly found in the body?

<p>In combination with oxygen as phosphate (B)</p> Signup and view all the answers

What is the main function of phosphorus in energy metabolism?

<p>Energy storage in the form of ATP (D)</p> Signup and view all the answers

What is the recommended dietary allowance (RDA) of phosphorus for adults?

<p>550-950 mg/d (A)</p> Signup and view all the answers

What is the absorption and metabolism regulation of phosphorus similar to?

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

What percentage of phosphorus is absorbed through urine?

<p>55-70% (D)</p> Signup and view all the answers

What is the main form of phosphorus in bone?

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

What is the main function of phosphorus in DNA?

<p>Structural component (C)</p> Signup and view all the answers

What is the main function of phosphorus in maintaining pH balance?

<p>Buffering of acid or alkali excesses (C)</p> Signup and view all the answers

What is the main function of phosphorus in lipid transport?

<p>As a major component of most biological membranes (C)</p> Signup and view all the answers

What is the main form of phosphorus in bone?

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

What is the main function of phosphorus in energy metabolism?

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

What is the main function of phosphorus in DNA?

<p>Part of DNA (A)</p> Signup and view all the answers

What is the main source of phosphorus in the diet?

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

What is the absorption and metabolism regulation of phosphorus similar to?

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

What percentage of phosphorus is absorbed through urine?

<p>55-70% (B)</p> Signup and view all the answers

What percentage of phosphorus is found in soft tissues?

<p>15% (C)</p> Signup and view all the answers

What is the recommended dietary allowance (RDA) of phosphorus for adults?

<p>950 mg/d (C)</p> Signup and view all the answers

What is the main function of phosphorus in maintaining pH balance?

<p>Buffering of acid or alkali excesses (B)</p> Signup and view all the answers

What is another micronutrient that is widely distributed?

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

What is the main function of phosphorus in lipid transport?

<p>Major component of most biological membranes (C)</p> Signup and view all the answers

What is the main function of phosphorus in the body?

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

What is the main function of phosphorus in energy metabolism?

<p>Formation of ATP (B)</p> Signup and view all the answers

What percentage of phosphorus is absorbed through urine?

<p>55-70% (A)</p> Signup and view all the answers

What is the main form of phosphorus in bone?

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

What is the main function of phosphorus in DNA?

<p>Component of DNA (A)</p> Signup and view all the answers

What is the main source of phosphorus in the diet?

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

What is the absorption and metabolism regulation of phosphorus similar to?

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

What percentage of phosphorus is found in soft tissues?

<p>15-20% (B)</p> Signup and view all the answers

What is the main function of phosphorus in lipid transport?

<p>Formation of phospholipids (A)</p> Signup and view all the answers

What is the recommended dietary allowance (RDA) of phosphorus for adults?

<p>950 mg/d (D)</p> Signup and view all the answers

What is another micronutrient that is widely distributed?

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

What is the main function of phosphorus in maintaining pH balance?

<p>Buffering of acid or alkali excesses (B)</p> Signup and view all the answers

What is the absorption and metabolism regulation of phosphorus similar to?

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

What is the main function of phosphorus in energy storage?

<p>ATP (adenosine triphosphate) with 3 phosphate groups (A)</p> Signup and view all the answers

What percentage of phosphorus is absorbed through urine?

<p>55-70% (B)</p> Signup and view all the answers

What is the main form of phosphorus in bone?

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

What is the main function of phosphorus in DNA?

<p>Part of the DNA structure (A)</p> Signup and view all the answers

What is the absorption and metabolism regulation of phosphorus similar to?

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

What is the main source of phosphorus in the diet?

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

What is the recommended dietary allowance (RDA) of phosphorus for adults?

<p>950 mg/d (B)</p> Signup and view all the answers

How is phosphorus mostly found in the body?

<p>In combination with oxygen as phosphate (D)</p> Signup and view all the answers

What is another micronutrient that is widely distributed?

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

What is the main function of phosphorus in maintaining pH balance?

<p>Buffering of acid or alkali excesses (C)</p> Signup and view all the answers

What is the absorption and metabolism regulation of phosphorus dependent on?

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

What is the main function of phosphorus in lipid transport?

<p>Part of phospholipids, important for lipid transport (B)</p> Signup and view all the answers

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