Chapter 8 – The Vitamins

Chapter 8 – The Vitamins

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice

b      K     189                 1.     The amount of a vitamin absorbed and used by the body is called:

1. vitamin efficiency.
2. bioavailability.
3. fortification.
4. vitamin equivalency.

b      K     190                 2.     Which of the following is not a fat-soluble vitamin?

1. vitamin A
2. vitamin C
3. vitamin D
4. vitamin E
5. vitamin K

c      K     190                 3.     It is not absolutely necessary to consume the fat-soluble vitamins every day because they:

1. would just be excreted from the body.
2. are only absorbed in limited amounts.
3. can be stored in the body for future use.
4. would reach toxic amounts in the body.

c      A     190                 4.     Overconsumption of the fat-soluble vitamins results in:

1. accumulation, which aids in the prevention of colds and infections.
2. a nonobservable condition, because they are excreted.
3. possible toxicity, due to an accumulation in the body.
4. weight gain due to increased fat intake.

b      A     190                 5.     The fat-soluble vitamins:

1. are less stable than the water-soluble vitamins.
2. require bile for absorption.
3. are usually constituents of coenzymes.
4. are not essential.

a      A     190                 6.     Which of the following is not a true statement about fat-soluble vitamins?

1. They are readily excreted from the body when consumed in excess.
2. They must be bound to proteins to travel in the blood.
3. They may be consumed less frequently than the water-soluble vitamins.
4. They may accumulate to toxic levels in the body.

b      A     190                 7.     Generally, fat-soluble vitamins will be found in foods such as:

1. oranges and strawberries.
2. whole milk and eggs.
3. potatoes and carrots.
4. lettuce and spinach.

c      K     190                 8.     The active form of vitamin A for vision is:

1. opsin.
2. collagen.
3. retinal.
4. keratin.

a      K     191                 9.     Which form of vitamin A is involved in gene expression?

1. retinoic acid
2. retinol
3. retinal
4. retinol-binding protein