The opening of the stomach into the duodenum is guarded by:
1. Cardiac sphincter
2. Sphincter of Oddi
3. Pyloric sphincter
4. Ileocaecal sphincter

Subtopic:  Alimentary Canal: Oral Cavity & Teeth | Histology of Gut | Movement of Food in Gut |
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Which of the following would not be classified as an accessory digestive gland?
1. Liver
2. Crypts of Lieberkuhn
3. Pancreas
4. Salivary glands

Subtopic:  Accessory Digestive Glands |
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In jaundice, skin and eyes turn yellow due to the deposition of:
1. Bile salts
2. Carotenoids
3. Xanthophylls
4. Bile pigments

Subtopic:  Disorders of Digestive System |
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Chylomicrons are:

1. small protein coated fat globules formed in the intestinal epithelium
2. small protein coated fat globules formed in the lacteals of the villi
3. small fat coated protein globules formed in the intestinal epithelium
4. small fat coated protein globules formed in the lacteals of the villi
Subtopic:  Absorption |
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Diarrhoea is most likely to affect most the process of:
1. Ingestion of food
2. Passage of food through the upper alimentary canal
3. Digestion of the food in the large intestine
4. The absorption of food

Subtopic:  Disorders of Digestive System |
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Carbohydrates in the chyme are hydrolysed into disaccharides by:
1. Salivary amylase
2. Pancreatic amylase
3. Gastric amylase
4. Intestinal amylase

Subtopic:  Pancreatic Secretions |
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The causes of indigestion include all except:
1. parasympathetic stimulation
2. anxiety
3. food poisoning
4. eating spicy food

Subtopic:  Disorders of Digestive System |
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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.

Subtopic:   DIGESTION OF FOOD |
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The egestion of faeces to the outside through the anal opening (defaecation) is:
1. a voluntary process and is carried out by a mass peristaltic movement.
2. an involuntary process and is carried out by a mass peristaltic movement.
3. a voluntary process and is carried out by an anteperistaltic movement.
4. a voluntary process and is carried out by a peristaltic movement.

Subtopic:  Absorption |
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What prevents the back flow of faeces from caecum into the small intestine?
1. ileo-caecal valve
2. ileo-caecal sphincter
3. vermiform appendix
4. taenia coli muscle

Subtopic:   DIGESTION OF FOOD |
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