CHAPTER 7 GASTROINTESTINAL PHYSIOLOGY
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,Q&As 3
EXAM NOTES 21
Importance in Human Physiology: 21
Primary GI Tract Organ 21
1. Mouth 21
2. Pharynx and Esophagus 22
3. Stomach 22
4. Small Intestine 22
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5. Large Intestine (Colon) 23
6. Rectum and Anus 23
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Accessory Organs 23
1. Salivary Glands (Parotid, Submandibular, Sublingual) 23
2. Liver 23
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3. Gallbladder 23
4. Pancreas 24
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Summary Diagram (Conceptual Overview): 24
1. Small Intestine 24
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2. Mesentery 25
Exocrine Pancreas: 26
Gallbladder: 26
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Bile Functions: 26
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Gallstones: 26
Villi & Microvilli: 26
Intestinal Crypts (Crypts of Lieberkühn): 27
Absorption Mechanisms: 27
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Enteric Nervous System 29
Brain-Gut Axis 29
Mechanical & Chemical Digestion 30
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Divisions 31
Gastric Emptying 31
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Secretions 31
Diagnosis of H. pylori 32
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Treatment 32
MCQs 33
EXAM QUESTIONS 38
Essay Question 1: 38
Model Answer: 38
Essay Question 2: 40
Model Answer: 40
Model Answer: 41
Structure: 41
Functions: 41
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