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Questions and Answers
What do the letters 'vitamin' stand for?
What do the letters 'vitamin' stand for?
- Vital amines (correct)
- Vital acids
- Vital amino acids
- Vital alkaloids
How are fat-soluble vitamins typically transported and excreted in the body?
How are fat-soluble vitamins typically transported and excreted in the body?
- They are actively transported and stored in the body
- They are closely associated with and transported by dietary lipids, and are generally excreted with feces (correct)
- They are passively absorbed and excreted through urine
- They are actively transported and excreted through sweat
What is the main function of vitamins in the human body?
What is the main function of vitamins in the human body?
- To provide energy
- To regulate metabolism and physical function (correct)
- To act as antioxidants
- To build muscle
What is the main source of the preformed vitamin A, retinol?
What is the main source of the preformed vitamin A, retinol?
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What is the main source of the provitamin A, beta-carotene?
What is the main source of the provitamin A, beta-carotene?
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Where are vitamin A compounds primarily deposited in the body?
Where are vitamin A compounds primarily deposited in the body?
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What is the primary source of vitamin A in human nutrition?
What is the primary source of vitamin A in human nutrition?
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What factor can negatively affect the absorption of vitamin A?
What factor can negatively affect the absorption of vitamin A?
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How can vitamin D be synthesized in the body?
How can vitamin D be synthesized in the body?
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Which two forms of vitamin D are nutritionally significant?
Which two forms of vitamin D are nutritionally significant?
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What is the role of vitamin E in the absorption of vitamin A?
What is the role of vitamin E in the absorption of vitamin A?
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What effect does protein-energy malnutrition have on the absorption of vitamin A?
What effect does protein-energy malnutrition have on the absorption of vitamin A?
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