DETAILED QUESTIONS AND ANSWERS| REAL EXAM QNA | 2025
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What is the process of breaking down food into smaller components without
transferring nutrients into the bloodstream? - (answer)Digestion.
What does absorption involve in the digestive process? - (answer)The transfer of
nutrients from the digestive tract into the bloodstream.
What is metabolism in the context of digestion? - (answer)The chemical reactions
that occur within the body to maintain life, including converting nutrients into
energy.
What is excretion in relation to digestion? - (answer)The process of eliminating
waste products from the body.
, What condition can a hiatal hernia increase the incidence of? - (answer)Chronic
gastric reflux or heartburn.
What are the potential risks associated with chronic gastric reflux? -
(answer)Erosion of the esophagus lining, Barrett's esophagitis, and potential
esophageal cancer.
What types of foods can irritate inflamed esophageal tissue in GERD? -
(answer)Spicy and acidic foods, such as orange juice.
What is the role of the large intestine in digestion? - (answer)To absorb water and
electrolytes to form stool.
How can constipation be relieved? - (answer)By consistent intake of dietary fiber.
What is a good dietary choice for increasing fiber intake? - (answer)Half a cup of
bran cereal contains 8.8 g of fiber.