Term
What does the alimentary canal contain? |
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Definition
oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, and anus |
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Term
What are the accessory organs of digestion? |
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Definition
Salivary glands, pancreas, liver, gallbladder |
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Term
What are the three primary functions of the digestive system? |
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Definition
1. intake and/or digestion of food 2. absorb digested foods into the blood or lymphatic capillaries 3. eliminate waste material |
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Term
A radiographic examination of the pharynx and esophagus is: |
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Definition
esophagram / barium swallow |
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Term
A procedure of the distal esophagus, stomach, and duodenum is: |
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Definition
upper gastrointestinal series |
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Term
What is the preferred contrast medium for the entire alimentary canal? |
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Definition
barium sulfate mixed with water |
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Term
What forms the roof of the oral cavity? |
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Definition
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Term
What hangs from the mid-posterior aspect of the soft palate? |
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Definition
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Term
What is the term for chewing movements? |
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Definition
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Term
What are the three pairs of glands that secrete most of the saliva in the oral cavity? |
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Definition
parotid, submandibular, sublingual |
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Term
How much saliva is secreted daily? What does saliva contain? |
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Definition
1000 ml - 1500 ml 99.5% water 0.5% salts/enzymes |
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Term
What enzyme does saliva contain that begins the digestion of starches? |
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Definition
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Term
What is the term for the act of swallowing? |
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Definition
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Term
What prevents swallowed substances from regurgitating into the nose? |
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Definition
soft palate closing off the nasopharynx |
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Term
What prevents food and fluid from being aspirated? |
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Definition
the epiglottis depresses to cover the laryngeal opening and the vocal cords close off the epiglottis |
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Term
How long is the esophagus? |
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Definition
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Term
Where does the esophagus begin? Where does it end? (in relationship to the spine) |
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Definition
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Term
Where is the esophagus in relationship to the trachea? Where is it in relationship to the spine? |
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Definition
posterior to the trachea and anterior to the spine |
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Term
Where is the heart in relationship to the esophagus? |
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Definition
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Term
Where does the esophagus pierce the diaphragm? |
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Definition
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Term
Where do the indentations of the esophagus occur? |
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Definition
aortic arch and left primary bronchus |
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Term
What is the abdominal segment of the esophagus termed? |
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Definition
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Term
What is the opening between the esophaguys and the stomach called? |
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Definition
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Term
A wavelike series of involuntary muscular contractions that propel solid and semisolid materials through the tubular alimentary canal is: |
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Definition
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Term
What is the most dialated portion of the alimentary canal? |
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Definition
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Term
What is the diameter of the esophagus? |
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Definition
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Term
What are the four parts of the stomach? |
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Definition
cardia, fundus, body, pyloic portion |
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