Vitamin E-Rich Foods Quiz

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Questions and Answers

Which vitamin is known for its antioxidant function in limiting radical damage from oxidation of PUFAs?

  • Beta-Carotene
  • Vitamin A
  • Vitamin E (correct)
  • Vitamin C

What is the function of VLDL in relation to Vitamin E absorption and metabolism?

  • Neutralizing free radicals
  • Donating an electron
  • Transporting Vitamin E to other tissues (correct)
  • End the chain reaction

What is the primary role of antioxidants in the body?

  • Generate oxygen radicals
  • Neutralize free radicals (correct)
  • Remain stable
  • Cause a cascade of destruction

What can free radicals damage within the body?

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

What is the non-radical product of the tocopheroxyl radical?

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

What micronutrients are examples of dietary antioxidants?

<p>Vitamin C and Vitamin E (B)</p> Signup and view all the answers

What can high levels of free radicals cause damage to?

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

What has epidemiology studies shown about high blood concentrations of Vitamin E?

<p>Lower incidence of CVD (B)</p> Signup and view all the answers

What are some factors that contribute to oxidative stress?

<p>Exposure to toxins (B)</p> Signup and view all the answers

What is the primary role of Vitamin E in the body's defense mechanisms?

<p>Neutralize free radicals (D)</p> Signup and view all the answers

What do randomized controlled trials with high dose Vitamin E supplements show?

<p>No effect (D)</p> Signup and view all the answers

What is the function of chylomicron in relation to Vitamin E absorption and metabolism?

<p>Transporting Vitamin E to other tissues (A)</p> Signup and view all the answers

What is the formula for calculating alpha-tocopherol equivalents?

<p>\alpha-tocopherol Equivalents = \alpha-tocopherol + 0.5\beta-tocopherol + 0.1\gamma-tocopherol + 0.3\alpha-tocotrienol (B)</p> Signup and view all the answers

Which food has the highest amount of \alpha-tocopherol per serving?

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

What is the biological potency of \alpha-tocopherol compared to other vitamers?

<p>\alpha-tocopherol is the most active (D)</p> Signup and view all the answers

How is the \alpha-tocopherol equivalent calculated for soybean oil?

<p>10.1 + (0.5 * 59.3) + (0.1 * 26.4) + (0.3 * 0) (A)</p> Signup and view all the answers

Which food has the highest total tocopherol content per serving?

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

What is the vitamin E content in 1 ounce of peanuts?

<p>2.4 mg \alpha-tocopherol (A)</p> Signup and view all the answers

What is the vitamin E content in 1 tablespoon of safflower oil?

<p>4.6 mg \alpha-tocopherol (B)</p> Signup and view all the answers

What is the vitamin E content in 1 tablespoon of corn oil?

<p>1.9 mg \alpha-tocopherol (D)</p> Signup and view all the answers

Which of the following has the highest \gamma-tocopherol content?

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

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