Certified Dietary Manager (CDM) Practice Exam

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Prepare for the Certified Dietary Manager Exam with flashcards and multiple choice questions. Improve your knowledge with hints and explanations.

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What type of fiber is known for its gel-forming ability?

Cellulose
Soluble fiber
Insoluble fiber
Starch

The correct answer is: Soluble fiber

The correct answer, soluble fiber, is recognized for its gel-forming ability when mixed with water. This characteristic allows soluble fiber to dissolve, forming a viscous gel-like substance that can help slow digestion and improve feelings of fullness. It plays a significant role in regulating blood sugar levels and lowering cholesterol, making it beneficial for heart health and diabetes management. In contrast, cellulose is a form of insoluble fiber that provides structure and bulk to the diet but does not form gels. Insoluble fiber, as a whole, aids in promoting regular bowel movements by adding bulk to the stool and is primarily found in whole grains and the skins of fruits and vegetables. Starch, while a carbohydrate, is not a fiber and does not exhibit the gel-forming properties characteristic of soluble fiber.