The absorptive cells of the villi are covered by a. hairlike ...

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The absorptive cells of the villi are covered by
 
  a. hairlike projections called microvilli.
  b. hormones that control digestive processes.
  c. enzymes that speed absorption of nu-trients.
  d. layers of circular and longitudinal muscle.

Question 2

Which of the following foods would the nurse suggest is high in soluble fiber?
 
  1. English muffins
   2. Puffed rice cereal
   3. Pita bread
   4. Oat bran cereal

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Answer to Question 1

A
The villi are covered with microvilli that enhance absorption. Hormones are not found inside the digestive tract. Enzymes cause digestion of food, not absorption. The layers of circular and lon-gitudinal muscle are around the outside of the gastrointestinal tract, not on the inside lining.

Answer to Question 2

4
Rationale: Foods that are made mostly from oats are high in soluble fiber. Examples are oat bran and oatmeal. English muffins, puffed rice, and pita bread are typically made from wheat.

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