Vitamins and Provitamins Quiz

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Questions and Answers

Which of the following is NOT a general cause of vitamin deficiency?

Malnutrition
Increase in requirements during pregnancy
Malabsorption
Excessive intake of vitamins (correct)

What are vitamers?

Vitamins found in their active form in animal sources
Substances found in foods that are not in the active form and are converted to the active form once absorbed
Vitamins that cannot be synthesized in plenty amounts in the body
Different forms of one vitamin (correct)

What are provitamins?

Vitamins that cannot be synthesized in plenty amounts in the body
Different forms of one vitamin
Substances found in foods that are not in the active form and are converted to the active form once absorbed (correct)
Vitamins found in their active form in animal sources

Which elements are present in all vitamins?

<p>Carbon, hydrogen, and oxygen (B)</p> Signup and view all the answers

What is the main difference between preformed vitamins and provitamins?

<p>Preformed vitamins are found in their active form in foods from animal sources, while provitamins are substances found in foods that are converted to the active form once absorbed (C)</p> Signup and view all the answers