In the United States, what is the adult RDA for vitamin C?

In the United States, what is the adult RDA for vitamin C?
 a. 10-20 mg b. 50-60 mg
  c. 75-90 mg d. 100-135 mg

Q. 2

A BMI-for-age above the ____ percentile indicates that the child may be overweight.
 a. 25th b. 50th
  c. 75th d. 85th

Q. 3

What is the primary function of insulin?
 a. Raises blood glucose levels
  b. Lowers blood glucose levels
  c. Stimulates glycogen breakdown
  d. Stimulates intestinal carbohydrate absorption

Q. 4

Which of the following is an early sign of vitamin C deficiency?
 a. Bleeding gums b. Pernicious anemia
  c. Appearance of a cold d. Hysteria and depression

Q. 5

Growth charts with BMI-for-age percentiles can be used to assess risk of underweight using the _____ percentile as the cut-off.
 a. 5th b. 10th
  c. 15th d. 20th

Q. 6

What is the minimum daily amount of dietary carbohydrate necessary to spare body protein from excessive breakdown?
 a. 10-25 g b. 50-100 g
  c. 150-175 g d. 200-400 g

Q. 7

How much vitamin C is needed daily to raise blood ascorbic acid concentrations to a maximum?
 a. 10 mg b. 75 mg
  c. 125 mg d. 200 mg