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Biol 373 Unit 6a - Gastrointestinal System questions with correct answers
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Biol 373 Unit 6a - Gastrointestinal System questions with correct answers
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Biol 373 Unit 6a - GastrointestinalSystem
Digestive system - correct answer ✔✔tube that goes through the body and has accessory organs
Digestion is the process of - correct answer ✔✔breaking macromolecules into forms to transport across
epithelium
Absorption is the - correct answer ✔✔transport of nutrients, water, ions, vitamins across epithelium
To accomplish absorption and digestion, ___ and ___ are 2 other processes necessary - correct answer
✔✔Secretion, motility
Secretion is the process of - correct answer ✔✔releasing enzymes into the gut lumen
Motility is the process of - correct answer ✔✔keeping the gut content moving
Protection of pathogens is mediated by: - correct answer ✔✔- epithelial barriers,
- digestive enzymes
- acid (stomach acid)
- Gut-Associated Lymphoid Tissue (GALT)
Most of the water input of the GI tract consists of - correct answer ✔✔Secretions (saliva, bile, gastric
secretion, pancreatic secretion and intestinal secretion)
, Gross anatomy of stomach goes - correct answer ✔✔Fundus to body to antrum to pylorus
Gross anatomy of small intestine goes - correct answer ✔✔Duodenum to Jejunum to Ileum
What is the division of the thoracic cavity? - correct answer ✔✔Diaphragm
How does the stomach increase surface area? - correct answer ✔✔Rugae
Generic structure of GI tract is: - correct answer ✔✔- mucosa layer
- submucosa with glands
- muscularis
- serosa
What does the mucosa layer conist of? - correct answer ✔✔- Epithelium
- Lamina Propria
- Muscularis Mucosa
What does the submucosa consist of? - correct answer ✔✔Meissner's (submucosal) plexus
Smooth muscle layers of the GI tract consist of ___ and ___ arranged mucle - correct answer
✔✔Circular, Longitudinal
In regards to the stomach, the___ is rather deep with a thin ___ - correct answer ✔✔mucosa, muscularis
mucusa
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