Podcast
Questions and Answers
What are the two main groups that vitamins are classified into?
What are the two main groups that vitamins are classified into?
- Synthetic and natural vitamins
- Fat-soluble and water-soluble vitamins (correct)
- Organic and inorganic vitamins
- Essential and non-essential vitamins
Which of the following is NOT a characteristic of fat-soluble vitamins?
Which of the following is NOT a characteristic of fat-soluble vitamins?
- Excess can lead to hypervitaminosis
- Require the presence of lipids and bile salts for absorption
- Can be stored in the body
- Easily excreted through urine (correct)
What is the main difference between fat-soluble and water-soluble vitamins in terms of storage and excretion?
What is the main difference between fat-soluble and water-soluble vitamins in terms of storage and excretion?
- Fat-soluble vitamins can be stored in the liver, while water-soluble vitamins have no appreciable storage (correct)
- Both fat-soluble and water-soluble vitamins can be stored in the body indefinitely
- Both fat-soluble and water-soluble vitamins are easily excreted from the body
- Water-soluble vitamins are stored in the body, while fat-soluble vitamins are excreted
What is the term used to describe the precursor forms of vitamins that are converted to active vitamins in the body?
What is the term used to describe the precursor forms of vitamins that are converted to active vitamins in the body?
Which of the following statements about the differences between fat-soluble and water-soluble vitamins is INCORRECT?
Which of the following statements about the differences between fat-soluble and water-soluble vitamins is INCORRECT?
What is the main function of vitamin A in the body?
What is the main function of vitamin A in the body?
Which of the following is not a source of preformed vitamin A?
Which of the following is not a source of preformed vitamin A?
What is the main difference between retinal and retinoic acid in the vitamin A metabolism?
What is the main difference between retinal and retinoic acid in the vitamin A metabolism?
Which of the following is a characteristic of fat-soluble vitamins?
Which of the following is a characteristic of fat-soluble vitamins?
What is the primary cause of color blindness related to vitamin A?
What is the primary cause of color blindness related to vitamin A?