The duodenum is considered the meeting point for digestion because:
It produces digestive enzymes
it receives secretions from the liver, gallbladder, and pancreas
it is part of the large intestine
It has villi and microvilli
The Correct Answer is D
A. It produces digestive enzymes
While the duodenum may activate enzymes, it does not produce major digestive enzymes itself. Most digestive enzymes come from the pancreas and intestinal glands.
B. It receives secretions from the liver, gallbladder, and pancreas
The duodenum is the first part of the small intestine and receives bile from the liver and gallbladder and digestive enzymes from the pancreas, making it a central site for digestive processes to begin in earnest.
C. It is part of the large intestine
The duodenum is part of the small intestine, not the large intestine.
D. It has villi and microvilli
While the duodenum does have villi, this feature is not unique to it—all segments of the small intestine have villi. This is not the reason it is considered the "meeting point" for digestion.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. It produces digestive enzymes
While the duodenum may activate enzymes, it does not produce major digestive enzymes itself. Most digestive enzymes come from the pancreas and intestinal glands.
B. It receives secretions from the liver, gallbladder, and pancreas
The duodenum is the first part of the small intestine and receives bile from the liver and gallbladder and digestive enzymes from the pancreas, making it a central site for digestive processes to begin in earnest.
C. It is part of the large intestine
The duodenum is part of the small intestine, not the large intestine.
D. It has villi and microvilli
While the duodenum does have villi, this feature is not unique to it—all segments of the small intestine have villi. This is not the reason it is considered the "meeting point" for digestion.
Correct Answer is C
Explanation
A. Meat, poultry, fish
These are part of the protein group and should be eaten in moderation.
B. Bread, rice, pasta
These are grains, which should be included but not in the largest portion.
C. Vegetable and fruits
According to MyPlate, fruits and vegetables combined should make up half the plate, with vegetables being slightly more than fruits, making this the largest group.
D. Dairy
Dairy is a smaller portion of MyPlate and is typically shown as a cup on the side.
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