Applications of Fiber in Disease Treatment and Prevention
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Questions and Answers

Which macronutrient is fiber classified under?

  • Fat
  • Carbohydrate (correct)
  • Protein
  • Vitamin
  • What is the role of fiber in weight control?

  • Decreases satiety
  • Reduces absorption of nutrients like glucose and fat (correct)
  • Increases fat absorption
  • Increases glucose absorption
  • In disease treatment, how does fiber impact Diabetes Mellitus?

  • Causes insulin resistance
  • Reduces the rate of glucose absorption (correct)
  • Has no impact on glucose levels
  • Increases the rate of glucose absorption
  • Which type of fiber is described as isolated, non-digestible carbohydrates providing physiological benefits?

    <p>Psyllium</p> Signup and view all the answers

    How many calories per gram does soluble fiber contribute according to US standards?

    <p>4 cal</p> Signup and view all the answers

    What are some of the physicochemical properties that can affect a fiber's functionality?

    <p>Residence time and fermentation rate</p> Signup and view all the answers

    What is the caloric contribution of insoluble fiber according to US standards?

    <p>0 cal</p> Signup and view all the answers

    Which type of treatment can enhance the digestibility of grains by exposing the plasma membrane and intracellular components?

    <p>Particle size reduction</p> Signup and view all the answers

    How can the fermentability of a fiber be influenced?

    <p>By altering viscosity</p> Signup and view all the answers

    Which processing method can enhance the digestibility of grains by disrupting the plant cell wall?

    <p>Sprouting</p> Signup and view all the answers

    What is one chemical treatment that can affect the digestibility of grains?

    <p>Alkali digestion</p> Signup and view all the answers

    Which type of treatment can alter the physical structure of grains to enhance their digestibility?

    <p>Physical treatments like milling</p> Signup and view all the answers

    What is the mechanism that supports the laxative effects of large insoluble fiber like wheat bran?

    <p>Stimulates the secretion of water and mucus</p> Signup and view all the answers

    Which type of fiber helps stool resist dehydration in the colon?

    <p>Viscous, gel-forming fiber</p> Signup and view all the answers

    How does soluble viscous fiber potentially lower blood pressure?

    <p>Indirectly through effects on other cardiometabolic parameters</p> Signup and view all the answers

    What property of fiber allows it to have a potential laxative effect?

    <p>Bacterial fermentation resistance</p> Signup and view all the answers

    What effect does large insoluble fiber like wheat bran have on the colonic mucosa?

    <p>Stimulates water and mucus secretion</p> Signup and view all the answers

    Which type of fiber resists bacterial fermentation and remains intact in the colon transit?

    <p>Soluble, viscous fiber</p> Signup and view all the answers

    What is the primary mechanism underlying the cholesterol-lowering effect of highly viscous fibers?

    <p>Prevent the reabsorption of bile in the terminal ileum</p> Signup and view all the answers

    Which type of fiber is most effective in lowering serum cholesterol levels?

    <p>High molecular weight β-glucan</p> Signup and view all the answers

    Which fiber type is associated with the highest reduction in systolic blood pressure?

    <p>Psyllium</p> Signup and view all the answers

    How do soluble viscous fibers influence glycemic control?

    <p>Slow the degradation of complex nutrients</p> Signup and view all the answers

    Which fiber type plays a significant role in improving regularity in stool elimination?

    <p>Wheat bran</p> Signup and view all the answers

    What is the key factor that allows soluble viscous fibers to improve glycemic control?

    <p>Slowing the degradation of complex nutrients</p> Signup and view all the answers

    What are some adverse effects of very high intakes of certain functional fibers?

    <p>Flatulence, bloating, diarrhea</p> Signup and view all the answers

    Which physiological process produces intestinal gas as a result of dietary fiber fermentation?

    <p>Fermentation</p> Signup and view all the answers

    Which of the following conditions might be negatively impacted by combining fiber with medication?

    <p>Depression, diabetes, high cholesterol</p> Signup and view all the answers

    Which of the following is NOT mentioned as one of the physicochemical factors of dietary fiber that affects nutrient absorption?

    <p>Enzymatic breakdown</p> Signup and view all the answers

    What kind of starch resists enzymatic digestion in the upper gastrointestinal tract?

    <p>Resistant Starch</p> Signup and view all the answers

    Based on the text, where does resistant starch demonstrate resistance to digestion?

    <p>In the plant cell wall matrix</p> Signup and view all the answers

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