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Chpt 24

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
function of esophagus   secrets ucus and transports food  
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does the esophagus digest   no  
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esphogeal hiatus   end of esphogus where it connects to stomach  
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esophogeal mucosa   nonkeratinized stratified squamos, epithelium, lamina propria, muscularis muscosae  
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type of tissue is lamina propria   aerolar connective tissue  
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type of tissue is muscularis muscosae   smooth muscle  
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esophogeal submusosa   aerolar connective tissue, blood vessels, mucous glands  
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esopheal muscularis   1st 3rd is skeletal muscle, then skeletal and smooth muscle, then smooth muscle  
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LES or lower esophageal sphincter   regulates movement of food from esophagus to stomach  
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GERD   LES fails to close properly, HCL burns esophageal walls which is called heartburn, avoid foods that increase stomach acid  
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pyloric sphincter   seperates stomach and duodenum, prevents chyme from returning to stoach  
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pylorospasm   sphincter is too tight food does pass through pyloric sphincter, stomach overfills causing vomit  
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pyloricstenosis   narrowing of sphincter that causes projectile vomit  
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parts of the sm intestines   pyloric sphincter, duodenum, jejunum, ileum, ileocecal sphincter  
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parts of the lg intestines   ileocecal sphincter, cecum, colon which consists of ascending colon, transverse colon, descending colon and sigmoid colon, rectum, anal canal  
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why is the stomach larger than gi tract   fundus stores food and the stomach needs room to churn food, GI tract is mainly responsible for transporting food  
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salivary amaylase   breaks down starch in mouth  
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sequence of GI   mouth, teeth,tongue, parotid, submadibular and sublingual salivary glands, pharynx, UES, esophagus, LES, stomach, pyloric sphincter, duodenum, jejunum, ileum, ileocecal sphincter, cecum, ascending, transverse, descending, sigmoid, rectum, anal canal, anus  
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what is attached to the cecum   appendix  
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4 common layers of GI   mucosa, submucosa, muscularis, serosa  
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most inner layer of GI   mucosa  
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stomach epithelium   mucosa, submucosa, muscularis, serosa  
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colon epithelium   mucosa prevents microbes and pathogens, submocosa, muscularis, taniae coli  
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areaolar connective tissues   contains several cells and connects to skin  
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nonkeratinized stratified squamous   no keratin, moist, 1st line of defense from microbes  
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lamina propria   supports epithelium and holds blood vessels in place  
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digestive enzymes of saliva   salivary amylase and lingual lipase  
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gastric juice   pepsin, gastric lipase  
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pancreatic juice   pancreatic amylase, trypsin, chymotrypsin, elastase, carboxypeptidase, pancreatic lipase, nucleases are ribonuclease and deoxyribonuclease  
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brush border   xdextrinase, maltase, sucrase, lactase, enterokinase, peptidases, amionpeptidase, dipeptidase, nucleosidase and phosphates  
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