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Proteolytic enzymes found in stomach of an infant include:
I. Rennin
II. Pepsin
III. Tyrpsin
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
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The pH optimal for pepsin is:
1. 1.8
2. 3.8
3. 6.8
4. 7.8
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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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The mucus and bicarbonates present in the gastric juice play an important role in:
1. providing an alkaline medium for enzyme action.
2. lubrication and protection of the mucosal epithelium from excoriation by the highly
concentrated hydrochloric acid.
3. converting the bolus into a paste like chyme.
4. providing an acidic medium for enzyme action.
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The intestinal enzymes require an alkaline pH to act. This is accomplished by the secretions of all the following except:
1. Goblet cells | 2. Brunner’s glands |
3. Parietal cells | 4. Pancreas |
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Proteolysis cannot be performed by:
1. zymogen | 2. chymotrypsin |
3. trypsin | 4. carboxypeptidase |
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Succus entericus contains all the following except:
1. disaccharidases
2. dipeptidases
3. lipases
4. nucleases
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