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Author Question: The primary role of the large intestine is to 1. excrete fecal matter. 2. absorb nutrients. 3. ... (Read 109 times)

nramada

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The primary role of the large intestine is to
 
  1. excrete fecal matter.
  2. absorb nutrients.
  3. excrete enzymes.
  4. control peristalsis.

Question 2

Which statement best describes the pathogenesis of diarrhea?
 
  1. It is infrequent passage of stool.
  2. It occurs when the large intestine reabsorbs water.
  3. It is caused by lack of fiber in the diet.
  4. It is an increase in frequency of stool.



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trampas

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Answer to Question 1

Correct Answer: 1
Rationale 1: The large intestine is responsible for reabsorption of water and for fecal excretion.
Rationale 2: The small intestine absorbs nutrients and drugs.
Rationale 3: The stomach and small intestine excrete enzymes for digestion.
Rationale 4: Peristalsis is controlled by the autonomic nervous system.

Answer to Question 2

Correct Answer: 4
Rationale 1: Constipation is the infrequent passage of hard stools.
Rationale 2: Diarrhea occurs when the large intestine fails to reabsorb water.
Rationale 3: Constipation is caused by lack of exercise and fiber.
Rationale 4: Diarrhea is an increase in the frequency and fluidity of bowel movements.




trampas

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