What stimulates secretion of the hormone, gastrin, by the gastric mucosa?
1. duodenal pH greater than 3.
2. secretin.
3. cholecystokinin.
4. gastric inhibitory polypeptide

Subtopic:   DIGESTION OF FOOD |

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Arrange the following events in chronological sequence [first to last]:
1. protein-coated triacylglycerols enter lacteals
2. triacylglycerol coated with protein
3. fatty acids and glycerol packaged into micelles
4. bile salts emulsify fats
5. lipase digests fat
1. 1,2,4,5,3
2. 2,5,4,3,1
3. 3,5,4,1,2
4. 4,5,3,2,1

Subtopic:  Absorption |
 74%
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The layer in the wall of the alimentary canal that exhibits maximum variations is the:
1. Serosa
2. Muscularis
3. Mucosa
4. Submucosa

Subtopic:  Histology of Gut |

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Myenteric and meisener’s plexus regulate the functions of the gut in response to changes in:
1. External stimuli
2.Local Environment
3. Central nervous system activation
4. Hormone concentrations

Subtopic:  Histology of Gut |

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The transporter involved in apical transport of glucose in an enterocyte is:
1. GLUT2
2. GLUT4
3. SGLT-1
4. GLUT5

Subtopic:  Absorption: General Adaptations |

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All the following statements regarding bile are true except:
1. Bile salts are derivatives of cholesterol
2. Bile is important in absorption of fat soluble substances
3. Bile also serves as a route of excretion of bile pigments
4. It is acidic in nature

Subtopic:  Bile |
 70%

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Series of ridges produced by folding of the wall of an organ such as seen in the stomach are called:
1. taenia coli
2. rugae
3. plicae circulares
4. crypts

Subtopic:  Histology of Gut |
 85%
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The blood vessels supplying blood to the hepatocytes is/are:
1. left gastric artery
2. hepatic portal vein
3. hepatic artery
4. both the hepatic artery and hepatic portal vein

Subtopic:  Accessory Digestive Glands |

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What is true about the Peyer's patches in the intestinal wall?

1. They are lymphoid nodules located in the ileum

2. They are lymph nodes located in the duodenum

3. They protect the large intestine from bacteria in the small intestine, which might pass through the ileocecal valve

4. They are lymphoid nodules located in the ileum and protect the large intestine from bacteria in the small intestine, which might pass through the ileocecal valve

Subtopic:  Histology of Gut |

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Identify a submucosal gland:

1. oxyntic glands 2. intestinal crypts
3. Brunner's glands 4. pyloric glands
Subtopic:  Histology of Gut |
 84%
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