Proteolysis cannot be performed by:
1. zymogen | 2. chymotrypsin |
3. trypsin | 4. carboxypeptidase |
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After digestion, monoglycerides and fatty acids associate with bile salts and phopholipids to form:
1. chylomicrons
2. micelles
3. globules
4. lipoproteins
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Chyme enters duodenum through:
1. esophageal sphincter
2. pyloric sphincter
3. anal sphincter
4. ileocecal valve
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The calorific value is highest for:
1. carbohydrate
2. protein
3. fat
4. fiber
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Which layer in the wall of the gastrointestinal tract has an inner circular and outer longitudinal layer?
1. lamina propria | 2. muscularis mucosa |
3. submucosa | 4. muscularis |
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A column-shaped cell found in the respiratory and intestinal tracts, which secretes the main component of mucus, is the:
1. G cell | 2. enterochromaffin-like cell |
3. parietal cell | 4. goblet cell |
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The term brush border refers to:
1. ciliated epithelium | 2. transitional epithelium |
3. microvilli | 4. villi |
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The function of human gall bladder would be that it:
1. Synthesizes bile
2. Stores and concentrates bile
3. Secretes secretin
4. Secretes cholecystokinin
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Emulsification of fats occurs in small intestine and it:
1. Results in the formation of small fat droplets
2. Depends upon the polar structure of bile salts
3. Results in the formation of chylomicrons
4. Depends upon the polar structure of bile pigments
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Intrinsic factor helps in the absorption of:
1. Amino acids
2. Sodium
3. Glucose
4. Vitamin B-12
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