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MCPHS - Patho Finial
MCPHS - Patho Finial P1
| Question | Answer |
|---|---|
| 4 Digestive Functions? | #Motility #Secretion #Digestion #Absorption |
| 3 Layers of Mucosa? | 1) Mucous Membrane Cells (Exocrine,Endocrine,Epithelial).......... 2) Lamina Propria (Connective Tissue).... 3) Muscularis Mucosa (Smooth Muscle) |
| 3 Types of Salivary Glands? | 1) Parotid..... 2) Sublingula...... 3)Submaxillary |
| Muscularis Externa is comprised of? | 1) Inner Circular Muscle 2) Otter Longitudinal Muscle |
| What does Muscularis Externa Do? | Peristaltic Wave (Myenteric Plexis - stretching, osmo, pH...) |
| Serosa: | Connective Tissue Around Muscularis Externa |
| Blood & Lymph Vessels Found in? | Submucosa Layer |
| Enteric Nervous System Comprised of? | Myenteric & Submucous Plexus |
| Ach function? | Increase GI activity |
| Nitric Oxide | Decreases GI activity |
| Extrinsic Nerves? | Vagus (Increase GI activity, Salivation, Endocrine Glands) |
| Saliva has ? | Amylase & Lysoszmes |
| Reflex triggered by ? | Pharynx Receptors sends to Medulary Center |
| The "Swallowing Center" starts what ? | Primary Peristaltic Wave (Food to Stomach) |
| Gland of Antrum ? | Pyloric Gland (Gastrin & Histamine) |
| Gland of Body (Parietal Cells)? | Oxyntic (Parietal) Gland (HCl, Pepsinogen, Intrinsic Factor) |
| 3 Major parts of Stomach (Top to Bottom) | Fundus, Body, Antrum |
| Food Mixes forming Chyme in the? | Antrum |
| Pacesetter Cells are found in the ? | Fundus (3 waves/min Caused by B.E.R.) |
| Gastric Emptying is physically regulated by ? | Pyloric Sphincter (Gastrin, Vagus, Distension, Parastalsis) |
| Gastric Emptying is Slowed by ? | Undigest Fats, Acids, Distension, Incr-Osmo/Hypertonicity, Enterogastrones (Secretin & Cholecystokinin) |
| Chyme moves from Antrum to ? | Duodenum |
| Pyloric Stimulates? | Oxyntic |
| 3 Exocrine Cells | 1) Mucous Cells 2) Chief Cells 3) Parietal Cells (Oxyntic) |
| Mucous Cell Stimulated by ? | Mechanical Actions |
| Chief Cells Stimulated by ? | Ach & Gastrin (Chief Cells Make Pepsinogen) |
| Parietal Cells (Oxyntic) Stimulated by? | Ach, Gastrin, & Histomine (Pareital Cells Make HCl & Intrinsic Factor B12 absorption) |
| 3 Endocrine Cells ? | ECL , G , & D - Cells |
| ECL Stimulated by ? | Ach, Gastrin (ECL's Make Histamine) |
| G - Cells Stimulated by ? | Ach, Protein Products |
| D - Cells Stimulated by ? | Acid (D -Cells Make Somatostatins) |
| What do Somatostatins do ? | Shut down Parietal, ECL, & G -Cells |
| Gastrin's function? | Stimulates Parietal, Chief, & ECL - Cells |
| Parietal Cells are Stimulated by ? | Gastrin, Histomine, & Ach |
| Muscularis Externa is Muscle Layer away from Lumen | Muscularis Mucosa is bt Lamina Propria and Muscularis Externa closer to the Lumen |
| Enteric Nervous System? | Myenteric Plexus and Submucous Plexis Signaled by Ach & Nitric Oxide |
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MCPHS
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