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Chapter 14-Upper GI

Bontrager-Chapter 14-Upper Gastrointestinal System

Alimentary canal from beginning to end oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, anus
digestive accessory organs salivary glands, pancreas, liver, gallbladder
3 primary functions of the digestive system intake and/or digestion, absorption, elimination
What is the study of the Pharynx and Esophagus called? Esophagram or Barium Swallow
WHat is the study of the distal Esophagus, Stomach, Duodenum called? Upper Gastrointestinal Series (UGI) or Upper GI
Preferred Contrast Medium Barium Sulfate
Connects posteriorly to the pharynx Oral cavity/ mouth
Oral cavity accessory organss salivary glands
chewing mastication
swallowing deglutition
glands that secrete saliva parotid, submandibular, sublingual
Saliva is ___% water and ___% solutes 99.5% water and 0.5% solutes
The trachea is <anterior/posterior> to the epiglottis. anterior
3 parts of the pharynx nasopharynx, oropharynx, laryngopharynx
During the process of deglutition, what is done to prevent substances from being regurgitated through the nose or going down the larynx? the soft palate closes off the nasopharynx and the epiglottis is depressed to cover the laryngeal opening
3rd part of the alimentary canal that terminates at the stomach Esophagus
narrowest portion of the alimentary canal swallowing tube
2 indentations present on the esophagus (descending, posterior to mediastinum) 1. at the aortic arch 2. where the esophagus crosses left primary bronchus
Esophagus passes through the diaphragm slightly to the ____ and _____ to the midpoint. left, posterior
abdominal segment of the esophagus, measures between 1 and 2 cm cardiac antrum
opening between esophagus and stomach Esophagogastric junction/ Cardiac orifice
Peristalsis wavelike series of involuntary muscle contractions propelling solid and semi-solid material through the alimentary canal
How would you compensate for peristalsis while taking a radiograph? use a faster time
Most dilated portion of the alimentary canal stomach
notch directly superior to the cardiac orifice cardiac notch
opening leaving the distal stomach pyloric orifice
curvature on the medial border of the stomach, forms a concave border lesser curvature
curvature that is 4 to 5 times greater than the other greater
3 stomach subdivisions fundus, body or corpus, pyloric portion
portion of the stomach that lies lateral and superior to the cardiac orifice fundus
lower end of the stomach, seperating the body from the pylorus angular notch
2 parts of the pyloric portion pyloric antrum, pyloric canal
numerous longitudinal gastric folds rugae
2 positions that will show barium in the fundus AP/ LPO
3 positions that will show air in the fundus erect/ PA/ RAO
shortest, widest and most fixed portion of the small bowel duodenum
What is the romance of the abdomen the head of the pancreas fits into the c-loop of the duodenum
4 parts of the duodenum superior, descending, horizontal, ascending
what is the junction of the duodenum and the jejunum called? duodenojejunal flexure
What holds the duodenaljejunal flexure in place? ligament of treitz
2 divisions of digestion mechanical process and chemical component
result of stomach contents mixing and churning into a semi-fluid mass chyme
gastric emptying takes approx. ______hours. 2-6
foods with a high _________content pass through faster than foods with high _____ or _______. carbohydrates, fat, protein
______ _______ in the small intestine helps to facilitate absorpion rhythmic segmentation
Peristalsis is stronger in the _______ and _______. It is weaker in the _______. esophagus, stomach, small intestine
6 different classes of chmical digestion carbs, proteins, lipids, vitamins, minerals, water
complex sugars carbs
fats lipids
_______ speed up chemical digestion. they are found in the _______, _____, enzymes. salivary glands in mouth, small bowel, stomach and pancreas
Created by: kristinalyn