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Chapter 13 - The Micronutrients: Vitamins and Minerals Midterm Exam Questions And Guaranteed Pass Answers. $9.99   Add to cart

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Chapter 13 - The Micronutrients: Vitamins and Minerals Midterm Exam Questions And Guaranteed Pass Answers.

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Objectives - Answer > Differentiate between fat-soluble vitamins and water-soluble vitamins > List functions and sources of major minerals and trace minerals > Explain the impact food processing and preservation methods have on the nutritive value of food > identify non-nutritive...

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  • September 29, 2024
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  • Vitamins and Minerals
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Chapter 13 - The Micronutrients:
Vitamins and Minerals Midterm Exam
Questions And Guaranteed Pass
Answers.
Objectives - Answer > Differentiate between fat-soluble vitamins and water-soluble vitamins

> List functions and sources of major minerals and trace minerals

> Explain the impact food processing and preservation methods have on the nutritive value of food

> identify non-nutritive functions of vitamins and minerals used as food additives

> describe how to reduce vitamin and mineral losses during home food storage and preparation



Vitamins - Answer Are organic compounds needed in small amounts in the diet to help regulate body
processes



If vitamins are missing from diet - Answer Enzyme reactions are slowed or stopped and body processes
are impaired

> they act as coenzymes needed for reaction to occur



to identify vitamins - Answer Scientists gave vitamins names, letters, or numbers to identify them



Fat soluble vitamins - Answer > Have nonpolar molecular structure and dissolve in fat and oils

> Include vitamins A, D, E and K



Water soluble vitamins - Answer > Are polar and dissolve in water and water-based liquids

> Include the B vitamins and vitamin C



Storage of fat soluble vitamins - Answer > can be stored in the body

> Bile from the liver is needed for digestion of vitamins

, > A surplus is stored in the liver and in fatty tissue for future use

> They cannot be easily extracted once absorbed

> Mega-doses can build up to poisonous levels.



Vitamin A - Answer > Fat soluble

> Aids in night vision

> Maintains healthy skin and internal lining of lungs and digestive tract

> Ensure proper immune system functions

> Ensures production and regulation of hormones

> Breaks down bone for reshaping during growth

> works with folic acid, protein, and iron to form red blood cells.

> Aids in reproduction



Vitamin A is found in 2 basic forms - Answer > Retinol

> A precursor for retinol, found in orange and dark green fruits and vegetables, is called beta-carotene
(B-carotene)



Retinol - Answer > is the active form of vitamin A

> is found in liver, eggs, butter, milk and cheese.

> is yellow and found in foods from animals sources

> in group of preformed vit A



Precursor - Answer > also called provitamins

> are chemical compounds the body changes into the active forms of vitamin



Beta carotene - Answer > precursor for retinol

> 3 units of BC to make 1 unit of retinol

> bright orange

> foods high in beta carotene - carrots, sweet potatoes, pumpkins

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