Answer to Question 1
The Recommended Dietary Allowance (RDA) for carbohydrate is 130 g per day for adults, and represents the minimum amount of glucose required for the brain. Dietary Guidelines recommend that adults consume 14 grams of dietary fiber per 1,000 kcal. The Adequate Intake (AI) for dietary fiber ranges from 21 to 38 g per day for adults. Excellent sources of carbohydrates, particularly those high in fiber, include fruits, vegetables, whole-grain bread, cereals, and grains.
Answer to Question 2
d