Multiple Choice
Which of the following statements about the small intestine is true?
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23. The Digestive System
Introduction to the Digestive System
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Which of the following is NOT a characteristic of the large intestine?
A
It absorbs water and electrolytes.
B
It forms and stores feces.
C
It is the primary site of nutrient absorption.
D
It contains a large population of bacteria.
Verified step by step guidance1
Step 1: Begin by understanding the primary functions of the large intestine. The large intestine is responsible for absorbing water and electrolytes, forming and storing feces, and housing a large population of bacteria that play a role in digestion and immune function.
Step 2: Compare the functions of the large intestine to the functions of the small intestine. The small intestine is the primary site of nutrient absorption, where most nutrients, including carbohydrates, proteins, fats, vitamins, and minerals, are absorbed into the bloodstream.
Step 3: Analyze the statement 'It is the primary site of nutrient absorption' in the context of the large intestine. Since nutrient absorption primarily occurs in the small intestine, this characteristic does not apply to the large intestine.
Step 4: Review the other options provided in the question. Confirm that absorbing water and electrolytes, forming and storing feces, and containing a large population of bacteria are indeed characteristics of the large intestine.
Step 5: Conclude that the correct answer is the statement that does not align with the functions of the large intestine: 'It is the primary site of nutrient absorption.'
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