What Do You Know About Dietary Fiber?

You hear a lot about fiber and why you need it. But what is it? Fiber is a term applied to carbohydrates that cannot be digested. It is found in all plants eaten as part of a healthy diet. Learn more about this important part of your diet by taking this quiz, based on information from Harvard School of Public Health.

1. Fiber is classified in 2 main types. One type is soluble. How is soluble fiber defined?
2. The other type of fiber is insoluble fiber. What happens to insoluble fiber when you eat it?
3. How much fiber should adults consume each day?
4. Which of these breakfast foods is considered a 1-ounce serving?
5. Which of these methods is a good way to increase your daily fiber intake?
6. A diet high in fiber has been linked to a lower risk for heart disease.
7. Fiber helps prevent constipation. Fiber from which source seems to be better for accomplishing this?
Online Medical Reviewer: Horowitz, Diane, MD
Online Medical Reviewer: Poulson, Brittany, MDA RDN CD CDE
Online Medical Reviewer: Trevino, Heather M, BSN RNC
Date Last Reviewed: 6/1/2021
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