Exam Prep
1. Which of the following is NOT a fat-soluble vitamin?
a. Vitamin A c. Vitamin C
b. Vitamin K d. Vitamin E
2. Which of the following foods is a very good source of vitamin A?
a. baked potato c. whole-grain bread
b. pumpkin pie d. corn
3. A woman is planning a pregnancy. She has heard about the role of folate and is
concerned with preventing a neural tube defect. The time that she needs to make sure
that her folate intake is adequate is
a. prior to becoming pregnant.
b. during the first trimester of pregnancy.
c. during the second trimester of pregnancy.
d. during the last trimester of pregnancy.
4. Smokers have higher __________ needs than non-smokers.
a. thiamin c. Vitamin C
b. biotin d. Vitamin D
5. Supplements of __________ have been associated with an increase in lung cancer in
cigarette smokers.
a. vitamin E c. ascorbic acid
b. Echinacea d. beta carotene
6. You are enjoying a salad bar lunch. You want to top your greens with vitamin E-rich
foods. You could choose
a. tomatoes c. vinegar
b. pickles d. olive oil
7. All of the following statements about vitamin bioavailability are true EXCEPT one. Which
statement is incorrect?
a. The composition of the diet affects the amount of vitamins absorbed.
b. Less than 40% of the vitamins in foods are absorbed.
c. The bioavailability of vitamins depends on transport systems.
d. The conditions of the digestive tract affect vitamin bioavailability.
8. Which of the following people would be most likely to suffer from thiamin deficiency?
a. a middle-aged man who drinks a pint of whiskey daily
b. a vegetarian who avoids all animal foods
c. a teenager who doesn’t consume milk
d. an elderly person who rarely goes outdoors
9. Cooking a food in liberal amounts of water is least likely to affect its content of
a. Vitamin A c. folate
b. Vitamin B6 d. thiamin
1
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, 10. Which statement about dietary supplements is TRUE?
a. Herbal supplements are natural substances, therefore, they can be considered safe.
b. Dietary supplements must have FDA approval before they can be marketed.
c. The responsibility for ensuring product safety and efficacy of supplements belongs to
the manufacturers.
d. All of these statements are true.
11. Elevated homocysteine is associated with an increased risk of cardiovascular disease.
In clinical studies, which of the following decreases homocysteine in the blood?
a. riboflavin, vitamin A, and folate
b. pantothenic acid, riboflavin, and biotin
c. vitamin B6, folate, and vitamin B12
d. vitamins A, C, and E
12. What is most likely to occur when a water soluble vitamin is consumed in excess of the
body’s needs?
a. The excess is excreted in the urine.
b. Toxicity symptoms develop.
c. The excess is stored in adipose tissue.
d. A deficiency disease develops.
13. What is the principal function of coenzymes?
a. They stabilize free radicals by donating electrons.
b. They are required for the absorption of the B-vitamins.
c. They bind to incomplete enzymes to create active enzymes.
d. They are needed for the digestion of carbohydrates, fats, and protein
14. Abnormal blood coagulation is the major symptom of a deficiency of
a. Vitamin K c. Vitamin E
b. riboflavin d. Vitamin B6
15. All of the following My Plate food groups are good sources of vitamin B12 except for the
__________ group.
a. dairy c. protein
b. fruit d. All of these are good sources.
16. Sailors of the 18th century would often be at sea for months, living on dried bread and
meats, wine, and cheese. After approximately 3 months on this diet, some of the sailors
would exhibit symptoms of irritability, aching joints, bleeding gums, and loose teeth.
These symptoms can be explained by:
a. a diet lacking enough protein to make collagen.
b. a diet lacking the vitamin B6 so necessary to make non-essential amino acids.
c. a diet lacking thiamin, therefore they had impaired energy function.
d. a diet lacking vitamin C necessary for collagen formation and repair.
2
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1. Which of the following is NOT a fat-soluble vitamin?
a. Vitamin A c. Vitamin C
b. Vitamin K d. Vitamin E
2. Which of the following foods is a very good source of vitamin A?
a. baked potato c. whole-grain bread
b. pumpkin pie d. corn
3. A woman is planning a pregnancy. She has heard about the role of folate and is
concerned with preventing a neural tube defect. The time that she needs to make sure
that her folate intake is adequate is
a. prior to becoming pregnant.
b. during the first trimester of pregnancy.
c. during the second trimester of pregnancy.
d. during the last trimester of pregnancy.
4. Smokers have higher __________ needs than non-smokers.
a. thiamin c. Vitamin C
b. biotin d. Vitamin D
5. Supplements of __________ have been associated with an increase in lung cancer in
cigarette smokers.
a. vitamin E c. ascorbic acid
b. Echinacea d. beta carotene
6. You are enjoying a salad bar lunch. You want to top your greens with vitamin E-rich
foods. You could choose
a. tomatoes c. vinegar
b. pickles d. olive oil
7. All of the following statements about vitamin bioavailability are true EXCEPT one. Which
statement is incorrect?
a. The composition of the diet affects the amount of vitamins absorbed.
b. Less than 40% of the vitamins in foods are absorbed.
c. The bioavailability of vitamins depends on transport systems.
d. The conditions of the digestive tract affect vitamin bioavailability.
8. Which of the following people would be most likely to suffer from thiamin deficiency?
a. a middle-aged man who drinks a pint of whiskey daily
b. a vegetarian who avoids all animal foods
c. a teenager who doesn’t consume milk
d. an elderly person who rarely goes outdoors
9. Cooking a food in liberal amounts of water is least likely to affect its content of
a. Vitamin A c. folate
b. Vitamin B6 d. thiamin
1
This study source was downloaded by 100000831299911 from CourseHero.com on 01-27-2022 14:47:06 GMT -06:00
https://www.coursehero.com/file/35662585/Printable-Exam-Exam-4-Vitamins-and-Minerals-1docx/
, 10. Which statement about dietary supplements is TRUE?
a. Herbal supplements are natural substances, therefore, they can be considered safe.
b. Dietary supplements must have FDA approval before they can be marketed.
c. The responsibility for ensuring product safety and efficacy of supplements belongs to
the manufacturers.
d. All of these statements are true.
11. Elevated homocysteine is associated with an increased risk of cardiovascular disease.
In clinical studies, which of the following decreases homocysteine in the blood?
a. riboflavin, vitamin A, and folate
b. pantothenic acid, riboflavin, and biotin
c. vitamin B6, folate, and vitamin B12
d. vitamins A, C, and E
12. What is most likely to occur when a water soluble vitamin is consumed in excess of the
body’s needs?
a. The excess is excreted in the urine.
b. Toxicity symptoms develop.
c. The excess is stored in adipose tissue.
d. A deficiency disease develops.
13. What is the principal function of coenzymes?
a. They stabilize free radicals by donating electrons.
b. They are required for the absorption of the B-vitamins.
c. They bind to incomplete enzymes to create active enzymes.
d. They are needed for the digestion of carbohydrates, fats, and protein
14. Abnormal blood coagulation is the major symptom of a deficiency of
a. Vitamin K c. Vitamin E
b. riboflavin d. Vitamin B6
15. All of the following My Plate food groups are good sources of vitamin B12 except for the
__________ group.
a. dairy c. protein
b. fruit d. All of these are good sources.
16. Sailors of the 18th century would often be at sea for months, living on dried bread and
meats, wine, and cheese. After approximately 3 months on this diet, some of the sailors
would exhibit symptoms of irritability, aching joints, bleeding gums, and loose teeth.
These symptoms can be explained by:
a. a diet lacking enough protein to make collagen.
b. a diet lacking the vitamin B6 so necessary to make non-essential amino acids.
c. a diet lacking thiamin, therefore they had impaired energy function.
d. a diet lacking vitamin C necessary for collagen formation and repair.
2
This study source was downloaded by 100000831299911 from CourseHero.com on 01-27-2022 14:47:06 GMT -06:00
https://www.coursehero.com/file/35662585/Printable-Exam-Exam-4-Vitamins-and-Minerals-1docx/
