Sci/220 Human Nutrition | Questions with 100% Verified Answers
| Latest Update 2026/2027
Question: Which of the following vitamins is not added to grains during
enrichment?
Answer:
vitamin B6
Question: Which vitamin is needed for the reaction labeled with the
letter A?
Answer:
thiamin
Question: Which of the following descriptions of the water-soluble
vitamins is false?
Answer:
thiamin—can be synthesized from tryptophan
Question: Which of the following statements is true of all the B vitamins?
Answer:
They are all coenzymes.
Question: Which of the following nutrients is not essential in the diet
when sun exposure is adequate?
Answer:
vitamin D
Question: Which of the following statements about folate is false?
Answer:
It can be made in the body from methionine.
Question: The disease scurvy is due to a deficiency of ________.
Answer:
vitamin C
, Question: A deficiency of vitamin K leads to ________.
Answer:
decreased blood clotting
Question: Which of the following is a poor source of β-carotene?
Answer:
milk
Question: The food sources of ________ are illustrated by this graph.
Answer:
vitamin B12
Question: The actions of ________ are illustrated in this diagram.
Answer:
vitamin D
Question: It is recommended that older adults get their vitamin B12 from
fortified foods and supplements because ________.
Answer:
many have atrophic gastritis and are not able to absorb the vitamin B12 found in foods
Question: Vitamin A deficiency causes the eye condition illustrated here
because ________.
Answer:
mucus-secreting cells do not differentiate normally
Question: Which of the following statements is true of vitamin E?
Answer:
It protects cell membranes from oxidative damage.
Question: Elevated blood homocysteine has been associated with an
increased risk of cardiovascular disease. Deficiencies of ________
may increase levels of homocysteine in the blood.
Answer:
vitamin B6, folate, and vitamin B12
| Latest Update 2026/2027
Question: Which of the following vitamins is not added to grains during
enrichment?
Answer:
vitamin B6
Question: Which vitamin is needed for the reaction labeled with the
letter A?
Answer:
thiamin
Question: Which of the following descriptions of the water-soluble
vitamins is false?
Answer:
thiamin—can be synthesized from tryptophan
Question: Which of the following statements is true of all the B vitamins?
Answer:
They are all coenzymes.
Question: Which of the following nutrients is not essential in the diet
when sun exposure is adequate?
Answer:
vitamin D
Question: Which of the following statements about folate is false?
Answer:
It can be made in the body from methionine.
Question: The disease scurvy is due to a deficiency of ________.
Answer:
vitamin C
, Question: A deficiency of vitamin K leads to ________.
Answer:
decreased blood clotting
Question: Which of the following is a poor source of β-carotene?
Answer:
milk
Question: The food sources of ________ are illustrated by this graph.
Answer:
vitamin B12
Question: The actions of ________ are illustrated in this diagram.
Answer:
vitamin D
Question: It is recommended that older adults get their vitamin B12 from
fortified foods and supplements because ________.
Answer:
many have atrophic gastritis and are not able to absorb the vitamin B12 found in foods
Question: Vitamin A deficiency causes the eye condition illustrated here
because ________.
Answer:
mucus-secreting cells do not differentiate normally
Question: Which of the following statements is true of vitamin E?
Answer:
It protects cell membranes from oxidative damage.
Question: Elevated blood homocysteine has been associated with an
increased risk of cardiovascular disease. Deficiencies of ________
may increase levels of homocysteine in the blood.
Answer:
vitamin B6, folate, and vitamin B12
