A) acidic chyme in duodenum
B) secretin
C) gastrin
D) cholecystokinin
E) pepsin
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A) pharyngeal constriction
B) peristalsis
C) the tongue
D) segmentation
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A) mastication of food
B) absorption of nutrients
C) complete digestion of food
D) mixing by segmental contractions
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A) propelling the chyme forward
B) mixing of intestinal contents
C) moving intestinal contents into the colon
D) stretching the intestinal wall
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A) increases the surface area of food particles.
B) decreases the efficiency of digestion.
C) occurs in both the mouth and stomach.
D) is never under voluntary control.
E) decreases the surface area of food particles.
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A) converts small lipid droplets into larger droplets.
B) occurs in the gallbladder.
C) chemically digests lipids.
D) increases surface area for lipid digestion.
E) involves enzymes.
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A) swallowing
B) chewing
C) ball of food
D) semifluid material
E) phagocytosis
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A) ½ - 1 L
B) 1 - 1½ L
C) 2 - 3 L
D) 4 - 5 L
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A) pharynx, esophagus, large intestine, small intestine
B) oral cavity, stomach, small intestine, large intestine
C) stomach, esophagus, large intestine, small intestine
D) anus, large intestine, stomach, esophagus
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A) produce hormones
B) produce mucus
C) may protect intestinal epithelium
D) synthesize bile
E) produce digestive enzymes
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A) greater omentum
B) lesser omentum
C) transverse mesocolon
D) falciform ligament
E) round ligament
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A) muscularis
B) duodenum
C) esophagus
D) pyloric sphincter
E) cardiac part
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A) are found in the wall of the stomach.
B) excrete mucus.
C) produce digestive enzymes.
D) are exocrine glands.
E) are endocrine glands.
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A) small intestine
B) large intestine
C) esophagus
D) stomach
E) liver
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A) glucose
B) amino acids
C) LDL molecules
D) micelles
E) nucleic acids
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A) pharynx
B) stomach
C) liver
D) large intestine
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A) skeletal muscle throughout the tract, especially in the large intestine.
B) the layer of the digestive tract wall that contains capillaries.
C) in direct contact with the food that is consumed.
D) composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
E) connective tissue and the peritoneum.
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A) salivary gland
B) liver
C) gallbladder
D) stomach
E) pancreas
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A) produces bile
B) stores and concentrates bile
C) primary site of chemical digestion
D) produces intrinsic factor
E) bacterial decomposition
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A) 1, 2, 3, 4
B) 1, 2, 3
C) 2, 3, 4
D) 1, 3, 4
E) 1, 2, 4
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