NURSING EXAM QUESTIONS
NUTRITION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Being long and coiled
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Lined with villi
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Richly supplied with blood vessels
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All the above
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Detailed explanation-1: -Firstly it is very long, meaning there is a lot of time for nutrients to be absorbed. Secondly it has villi which are finger-like projections that increase the surface area for absorption. These villi are also covered in micro-villi further increasing surface area. The small intestine also has a good blood supply.
Detailed explanation-2: -The walls of the small intestine have finger-like projections called villi which increase the surface area is the one way in which the small intestine is adapted for the absorption of digested food.
Detailed explanation-3: -It is the site of complete digestion in humans. It absorbs digested food completely. It secretes intestinal juice. It receives bile juice from the liver and pancreatic juice from the pancreas.