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46 Cards in this Set
- Front
- Back
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Alimentary Tract
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Digestive System
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Mastication
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Act of chewing
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Chewed food is called
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Bolus
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Deglutition
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Act of swallowing
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Where does peristalsis begin?
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Lower portion of esophagus.
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Food travels by _______ until it reaches the lower esophagus.
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Gravity
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Digestion begins in the __________ and continues until the ___________
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Stomach, small intestine
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How many hours does it take for the stomach to empty?
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1-4 hours
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True or False
Every person peristalsis and motility is the same |
False
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How long and wide is the esophagus?
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10" long and 3/4" diameter
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Where does the esophagus begin and end?
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Starts at C-6 and ends at T-10/11
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Should the patient eat before having a UGI?
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No, the patient has to NPO so the mucosal lining is dry so the contrast will stick to it.
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Where are the 2 indentations in the esophagus?
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Aortic Arch
Left Main Bronchus |
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What is the hole in the diaphragm called where the esophagus passes through?
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Esophageal Hiatus
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Where is the esophageal hiatus?
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T-10
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What is the esophagus called after the esophageal hiatus?
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Cardiac Antrum
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Words that describe the stomach?
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A dilated sac-like organ
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Three functions of the stomach:
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Stores food until it can be digested
Breaks food down chemically Breaks food down mechanically -Churning and peristalsis |
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After the stomach breaks down the food, where does it go and what is the food called?
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It spills into the duodenum and is called chyme.
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How much chyme does it release at a time?
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1 TEAspoon at a time
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When the stomach contracts, it creates ________, or longitudinal folds.
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Rugaes
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Parts of the Stomach (3)
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Fundus
Body Pyloric Portion |
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What is the other part of the stomach that we don't recognize?
Must know for test |
Cardia, also called cardiac oriface, cardiac sphincter, or esophageal junction.
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What is the uppermost part of the stomach and what is it's shape?
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Fundus is the uppermost dome-shaped part. It is usually filled with air.
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What part makes up the majority of the stomach?
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Body. It is the most anterior part
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What are the parts of the pyloric portion?
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Pyloric Antrum
Pyloric Canal Pylorus (The muscle or sphincter) |
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Two curves of the stomach?
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Greater curvature
-Outer side -Convex -Longest Lesser Curvature -Inner side -Concave -Shortest |
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Where are the cardiac and angular notches?
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Cardiac notch is closer to the heart
Angular notch is inside |
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What is the opening between the esophagus and stomach called?
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Cardiac orifice
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What is the opening between the stomach and the duodenum called?
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Pyloric orifice
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Does the stomach change as body habitus changes?
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Yes
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What does the stomach look like in a large person?
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Almost horizontal
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What does the stomach look like in an asthenic person?
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Really long and may be lower than the iliac crest.
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How long are the small intestines?
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22ft
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What does the S. Intestines have on the inside of them?
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Villi on mucosal lining
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Words the describe duodenum?
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Shortest, widest, and most fixed portion of the small bowel.
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How long in the duodenum?
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8-10" long
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Parts of the duodenum?
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Superior Portion
Descending Horizontal Ascending |
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What is special about the superior portion of the duodenum?
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It has a bulb shape called the duodenal bulb.
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What is the best projection to show the duodenal bulb?
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RAO
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What is special about the descending portion of the duodenum?
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Ampulla of Vater
Where Dubhoff tube is placed |
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What is the Ligement of Treitz attached to?
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The ascending portion
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What does the jejunum look like if it's filled with air?
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Stacks of coins
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What doees the jejunum look like if it's filled with barium?
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Feathery
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What does the Ileum look if it's filled with air or barium?
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Wormy
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What is the end of the Ileum called?
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The Terminal Ileum of TI
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