Question 1: During the grain enrichment process, refined wheat flour has vitamins E, C, and D added to it.
- False
Question 2: In general, yellow, red, and orange fruits and vegetables are rich sources of ________.
- Beta-carotene
Question 3: Which of the following foods is a natural source of vitamin D?
- Fatty fish
Question 4: The liver needs vitamin K to ________.
- Synthesize prothrombin
Question 5: Which of the following foods is a rich source of vitamin C?
- Broccoli
Question 6: Ronald has an inherited metabolic defect in which his cells have difficulty processing the toxic amino acid homocysteine to form the nonessential amino acid cysteine. His physician may recommend vitamin ________ supplements to help Ronald’s body metabolize homocysteine.
- B-6
Question 7: Which of the following foods is a good source of vitamin K?
- Green leafy vegetables
Question 8: A medical researcher is investigating the chemical and physical properties of a substance that she isolated from the surface of charcoal-grilled meat. When the scientist mixes a small amount of the substance with living human cells, the chemical causes the rapid breakdown of the cells’ plasma membranes. She is able to prevent this reaction by adding vitamin C to the mixture of the substance chemical and cells. Based on this information, the scientist has ________.
- Determined that the chemical isolated from charcoal-grilled meat is an oxidizing agent
Question 9: Vitamin C ________.
- Is needed to form strong collagen
Question 10: Which vitamin is needed to make coenzyme A?
- Pantothenic acid
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