Question:

Which of the following is a primary function of dietary fiber?

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Incorporate whole grains, fruits, and vegetables into your diet to ensure adequate fiber intake for digestive health.
  • Provides energy
  • Builds muscle tissue
  • Aids in digestion
  • Enhances taste
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The Correct Option is C

Approach Solution - 1


Dietary fiber, found in plant-based foods, is not digested by the human body. Instead, it adds bulk to the stool and aids in regulating bowel movements, preventing constipation. While it doesn't provide energy or build muscle tissue, it plays a crucial role in maintaining digestive health.
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Approach Solution -2

What the Body Can't Do: Start from the fact that humans CANNOT digest fiber — then ask what benefit an indigestible substance could still provide.

Since fiber passes through mostly intact, it adds bulk to stool and regulates bowel movement, directly aiding digestion and preventing constipation.

Providing energy and building muscle both require digestion/absorption, which fiber doesn't undergo, and 'enhancing taste' isn't a nutritional function at all.
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