Question

1. in third world countries there is a high incidence of blindness in children due to a deficiency of vitamin

a. a
b. d
c. e
d. k

1. which of the following is not a common characteristic of water-soluble vitamins?

a. serve as a structural components of the body
b. soluble in water
c. supplied by plants
d. affected by food storage and preparation

1. it is important to include water-soluble vitamins in the daily diet because:

a. they increase energy production
b. they are not stored in any appreciable amount
c. food sources are so low in their content
d. the requirements are so great

1. the best and most economical way to ensure adequate and balanced vitamin intake is to:

a. take a vitamin supplement
b. eat a high protein diet
c. eat a well balanced diet
d. eat between meal snacks

1. a vitamin c deficiency is associated with the disease known as:

a. scurvy
b. pernicious anemia
c. rickets
d. beriberi

1. vitamin c helps maintain the integrity of tissues because it:

a. is incorporated into the cell membrane
b. creates a physical barrier
c. can recognize foreign substances
d. forms collagen to bind cells together

Explanation:

• Question 13: Vitamin A deficiency can lead to night - blindness and other eye problems, which is relevant to the high incidence of blindness in children in third - world countries.
• Question 14: Water - soluble vitamins are not structural components of the body. They are soluble in water, often supplied by plants, and affected by food storage and preparation.
• Question 15: Water - soluble vitamins are not stored in the body in large amounts, so they need to be included in the daily diet.
• Question 16: A well - balanced diet is the best and most economical way to ensure adequate and balanced vitamin intake as it provides all the necessary vitamins and nutrients in the right proportions.
• Question 17: Vitamin C deficiency is associated with scurvy. Pernicious anemia is related to vitamin B12 deficiency, rickets to vitamin D deficiency, and beriberi to vitamin B1 deficiency.
• Question 18: Vitamin C helps in the formation of collagen, which binds cells together and maintains tissue integrity.

Answer:

1. a. A
2. a. serve as a structural components of the body
3. b. they are not stored in any appreciable amount
4. c. eat a well balanced diet
5. a. scurvy
6. d. forms collagen to bind cells together