Erin C. is a single woman who has been advised by her doctor to increase her intake of dietary fiber due to frequent constipation. Her intake over the past 24 hours includes: 8 oz orange juice, 2 cups coffee with cream, 2 slices whole-wheat toast with margarine and jam, cheeseburger, french fries, diet soda, baked chicken, mashed potatoes, lettuce salad with dressing, and iced tea with sugar 1. Using the general information in Table 4-10, what are some potential sources of fiber in Erin’s diet? How much fiber do you estimate she gets from these foods? 2. Assuming Erin eats approximately 2000 calories per day, what is her recommended daily intake of dietary fiber based on the DRI? 3. Explain how Erin might use the “Three are key” message to help her remember to add more whole grains to her diet. 4. What are some strategies that can help Erin identify high-fiber whole-grain foods when she shops? 5. Adjust Erin’s current daily menu to show how she can get her recommended daily intake of fiber and whole grains 6. What precautions will be important for Erin to know about and practice as she begins to increase her intake of dietary fiber?