ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

What is not broken down by human digestive enzymes?
  1. Sugar
  2. Starch
  3. Fiber
  4. Fat
Explanation
Answer: C - Fiber is not broken down by human digestive enzymes. Fiber is usually a non-starch polysaccharide found in plants. Bacteria in the gastrointestinal tract digest some fibers. There are two types of fiber: insoluble and soluble.
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