Multiple Choice
Which of the following is most likely to cause a person to choke during eating?
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23. The Digestive System
Introduction to the Digestive System
Multiple Choice
Which of the following is an essential role played by bacteria in the large intestine?
A
Absorption of glucose
B
Digestion of proteins
C
Synthesis of vitamin K
D
Production of bile
Verified step by step guidance1
Understand the role of bacteria in the large intestine: Bacteria in the large intestine are crucial for various functions, including the synthesis of certain vitamins, fermentation of indigestible carbohydrates, and maintaining gut health.
Identify the vitamins synthesized by bacteria: Bacteria in the large intestine are known to synthesize vitamins such as vitamin K and some B vitamins. Vitamin K is essential for blood clotting.
Differentiate between the options: Absorption of glucose and digestion of proteins primarily occur in the small intestine, not the large intestine. Production of bile is a function of the liver, not bacteria.
Focus on vitamin synthesis: The synthesis of vitamin K by bacteria in the large intestine is a well-documented and essential function, supporting the body's need for this vitamin.
Conclude the essential role: Based on the understanding of bacterial functions in the large intestine, the synthesis of vitamin K is the correct essential role played by bacteria in this part of the digestive system.
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