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BMS110 Chapter 11 Study Guide - BMS110 Section A/D/Z Fall...

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BMS110 Section A/D/Z Fall 2011 BMS110 Chapter 11 Study Guide 1. What are the major components and accessory organs of the digestive tract? a. Major i. Mouth ii. Pharynx iii. Esophagus iv. Stomach v. Small intestine vi. Large intestine vii. Rectum viii. Anus b. Accessory i. Liver ii. Gallbladder iii. Pancreas 2. What is the pathway of food in the digestive system (trace it)? a. Mouth b. Pharynx c. Esophagus d. Stomach e. Sm. Intestines f. Lg. intestines g. Rectum/Anus 3. What are the 4 layers of the GI tract, location, tissue types/number, and function? a. Inner layer (mucosa ) epithelial cells b. Submucosal layer of connective tissue c. Smooth muscles (two/three sublayers) Muscularous i. Longitudinal and circular and oblique (stomach has all 3) d. Outer layer thin serous membrane ( connective tissue ) 4. What are the 5 main steps in the digestion process and their role? a. Ingestion – intake food b. Digestion – break down of food c. Movement – food moves along GI tract d. Absorption – movement of nutrients across the GI tract e. Elimination – removal of indigestible molecules 5. What are the functions of the mouth in digestion? a. Amylase breaks down starch b. Formation of bolus 1
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BMS110 Section A/D/Z Fall 2011 6. What are the enzymes secreted in the mouth? a. Amylase 7. What is the role of teeth in digestion? a. To grind up food, make it smaller, help form blous 8. Know the anatomy of the teeth, how many, and the 3 types and what they are used for.
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