NANP Board Practice Exam

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Prepare for the NANP Board Exam. Study with detailed questions and explanations on key topics. Enhance your understanding and boost your confidence for the exam.

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Which fibers can be classified as both dietary and functional?

Resistant starch and psyllium
Gums and lignin
Gums and resistant starch
Resistant dextrins and B-glucans

The correct answer is: Gums and lignin

The classification of fibers as both dietary and functional is based on their characteristics and health impacts. Gums are a type of soluble fiber that not only naturally occur in foods but also have many applications in food products for their thickening and stabilizing properties, contributing to their functional fiber classification. Lignin, while primarily classified as a dietary fiber, offers functional benefits by interacting with other dietary components, promoting health through various mechanisms. Therefore, choosing gums and lignin accurately reflects fibers that can serve both dietary roles, supplying needed nutrients and bulk, and functional roles, as they possess properties that can enhance food products and provide health benefits beyond basic nutrition.