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Questions and Answers
Which vitamin is known as ascorbic acid?
Which vitamin is known as ascorbic acid?
What distinguishes water-soluble vitamins from fat-soluble vitamins in terms of storage in the body?
What distinguishes water-soluble vitamins from fat-soluble vitamins in terms of storage in the body?
Which water-soluble vitamin is specifically known for its role in energy metabolism?
Which water-soluble vitamin is specifically known for its role in energy metabolism?
What is the primary mode of transport for most water-soluble vitamins in the body?
What is the primary mode of transport for most water-soluble vitamins in the body?
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What is a common sign of water-soluble vitamin deficiency?
What is a common sign of water-soluble vitamin deficiency?
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Which water-soluble vitamin requires special transport mechanisms due to its size?
Which water-soluble vitamin requires special transport mechanisms due to its size?
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What is a characteristic of water-soluble vitamins in terms of retention in the body?
What is a characteristic of water-soluble vitamins in terms of retention in the body?
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Which of the following describes the absorption process for most water-soluble vitamins?
Which of the following describes the absorption process for most water-soluble vitamins?
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What is a common consequence of deficiency in water-soluble vitamins?
What is a common consequence of deficiency in water-soluble vitamins?
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How are the Dietary Reference Intakes (DRIs) established for water-soluble vitamins?
How are the Dietary Reference Intakes (DRIs) established for water-soluble vitamins?
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Which water-soluble vitamin is part of the B-complex group and is involved in red blood cell formation?
Which water-soluble vitamin is part of the B-complex group and is involved in red blood cell formation?
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What would be the potential consequence of excessive intake of water-soluble vitamins?
What would be the potential consequence of excessive intake of water-soluble vitamins?
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What is a primary function of water-soluble vitamins in the body?
What is a primary function of water-soluble vitamins in the body?
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Which of the following statements about the transport of water-soluble vitamins is true?
Which of the following statements about the transport of water-soluble vitamins is true?
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Study Notes
General Characteristics of Vitamins
- Vitamins are organic compounds with regulatory functions
- Vitamins are considered essential in the diet
- Water-soluble and fat-soluble vitamins have different mechanisms in the body
- Water-soluble vitamins are not stored
- Dietary Reference Intakes (DRIs) estimate the necessary intake of vitamins
- Recommended Dietary Allowances (RDAs) are part of DRIs
Classification of Vitamins
- Fat-soluble: Vitamins A, D, E, and K
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Water-soluble:
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B-complex:
- B1 (Thiamin)
- B2 (Riboflavin)
- B3 (Niacin)
- B5 (Pantothenic acid)
- B6 (Pyridoxine)
- B7 (Biotin)
- B9 (Folate)
- B12 (Cobalamin)
- Vitamin C (Ascorbic acid)
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B-complex:
Characteristics of Water-Soluble Vitamins
- All water-soluble vitamins are absorbed by intestinal capillaries, except Vitamin B12
- All water-soluble vitamins are transported by plasma, except Vitamin B12 and folate
- Water-soluble vitamins have low storage levels.
Water-Soluble Vitamins
- Water-soluble vitamins include thiamin, riboflavin, niacin, pantothenic acid, pyridoxine, biotin, folate, cobalamin, and ascorbic acid.
- Water-soluble vitamins are absorbed by intestinal capillaries, with the exception of vitamin B12.
- Water-soluble vitamins are transported by plasma with the exception of vitamin B12 and folate.
- Water-soluble vitamins are not stored in the body, so daily intake is crucial.
- Recommended Daily Allowances (RDAs) are established to estimate intake needs for each vitamin.
- Water-soluble vitamins are required for various metabolic processes and functions within the body.
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Description
This quiz covers the essential characteristics and classifications of vitamins, including their water-soluble and fat-soluble groups. It also addresses the mechanisms by which these vitamins function in the body and the Dietary Reference Intakes (DRIs) that guide dietary consumption. Test your knowledge of the different types of vitamins and their functions!
