Potter Perry Fundamentals of Nursing Chapter 47 Bowel Elimination Questions and Correct Answers
GI tract - Correct Answer a series of hollow mucous membrane-lined muscular organs what is the key function of the GI system? - Correct Answer fluid and electrolyte balance where does the GI tract receive fluids from? - Correct Answer ingested fluids food gallbladder pancreas upper esophageal sphincter - Correct Answer a circular muscle that prevents air from entering the esophagus and food from refluxing into the throat peristalsis - Correct Answer a contraction that propels food through the length of the GI tract cardiac sphincter - Correct Answer lies between the esophagus and the upper end of the stomach. it prevents reflux of stomach contents back into the esophagus what 3 tasks does the stomach perform? - Correct Answer storage of swallowed food and liquid mixing of food with digestive juices into chyme regulated emptying of of contents into small intestine what does pepsin and HCL help to do? - Correct Answer digest proteins what does mucus do in the stomach? - Correct Answer it helps protect the stomach from acidity and enzyme activity what does the intrinsic factor do? - Correct Answer it is essential in the absorption of vitamin B12 what are the 3 sections of the small intestine? - Correct Answer duodenum jejunum ileum how long is the duodenum and what does it do? - Correct Answer 8-11 inches continues to process fluid from the stomach how long is the jejunum and what does it do? - Correct Answer 8 feet absorbs carbohydrates and proteins how long is the ileum and what does it do? - Correct Answer 12 feet absorb
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