Practice Quiz

Registered Dietitian Exam Prep

Category - Nutrition Care

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Probiotic use is based on the principle that:
  1. 50-70% of the body’s immunologic protection originates in the GI mucosa.
  2. Restoring normal gut bacteria can alleviate gastrointestinal disorders.
  3. The body’s balance of healthy bacteria may be disrupted by drugs or infection.
  4. All of the above
Explanation
Answer: D - Probiotics are living microorganisms, (usually bacteria), which confer health benefits, including balancing levels of healthy bacteria in the GI tract. By restoring normal levels of healthy gut bacteria many gastrointestinal problems can be resolved or lessened. In addition, because much of our innate immunologic protection originates in the GI mucosa, in part due to the activity of healthy bacteria which destroy pathogens.
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