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What does the digestive system consist of?
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What does the accessory glands include?
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PositionIV quiz1
| Question | Answer |
|---|---|
| What does the digestive system consist of? | Accessory glands and the alimentary canal |
| What does the accessory glands include? | Salivary gland, liver, gallbladder, pancrease |
| What does the accessory glands do? | The secrete digestive enzymes into the alimentary canal |
| What is the alimentary canal? | A musculomembranous tube that extends from the mouth to the anus |
| How long is the great part of the alimentary canal and where does it lie? | 29 to 30 feet(8.6 to8.9 cm) long and is int the abdominal cavity |
| What are the component parts of the alimentary canal and what are their functions? | Mouth/food is masticated &converted into bolus by salivation-pharynx/esophagus/these organs are used for swallowing-stomach/digestion starts-small intestine/digestion complete-large intestine/the organ of ingestion and water then it terminates at the-anus |
| What is the esophagus? | Large muscular tube that carries food and saliva from the laryngopharynx to the stomach |
| How long is the adult esophagus? | 10 inches long and 3/4 inch in diameter |
| What are the walls of the esophagus made of? | Outward to inward/ fibrous layer, muscular layer, submucosal layer, and mucosal layer |
| Where does the esophagus lie? | In the midsagittal plane level of 6th c-spine or upper thyroid cartilage |
| Where does the esophagus enter and pass through the upper portion? | Enters at the thorax and passes through the mediastinum, anterior to the vertebral bodies and posterior to the trachea and heart |
| Lower portion of the esophagus passes through what? | The diaphragm at T-10 the inferior to the diaphragm the esophagus curves sharply left, increases diameter; joins the stomach at the esophagogastric junction which is at the level of the xiphiod tip or T11 |
| What is the expanded portion of the terminal esophagus which lies in the abdomen called? | Cardiac Antrum |
| What's the dilated, saclike portion of the digestive tart extending between the esophagus and the small intestine called? | Stomach |
| What are the walls of the stomach made of? | Outward to inward/ fibrous layer, muscular layer, submucosal layer, and mucosal layer |
| What are the four parts that make up the stomach? | Cardia, fundus, body, and pyloric portion |
| This is the section of the stomach immediately surrounding the esophageal opening. | Cardia |
| This is the superior portion of the stomach that expands superiorly and fills the dome of the left hemidiaphragm. | Fundus |
| Descending from the fundus and beginning at the level of the cardiac notch is the | Body of the stomach |
| Distal to the vertical plane is what portion of the stomach? | Pyloric portion |
| Wen the patient is in an upright position the fundus is usually filled with what? | Gas or gas bubble |
| The mucosal layer of the body of the stomach contains numerous longitudinal folds called | Rugae |
| When the stomach is full how is the rugae? | Smooth |
| What does the pyloric portion of the stomach contain? | Pyloric Antrum to the right of the angular notch and the narrow pyloric canal communicating with the duodenal bulb |
| The right border of the stomach is marked by what? | Lesser curvature which begins at the esophagogastric junction and to the right border of the esophagus ending at the concave curve of the pylorus |
| The left and inferior borders of the stomach are marked as | Greater curvature beginning at the esophagogastric junction, cardiac notch and follows the superior curvature of the fundus and then the convex curvature of the body down to the pylorus |
| Which is larger the lesser or greater curvature and by how much? | Greater curvature by 4 to 5 times longer |
| What is the entrance to and exit from the stomach controlled by? | A muscle sphincter |
| The esophagus joins the stomach at the esophagogastric junction through an opening called what? And what controls this? | Cardiac orifice ;cardiac sphincter |
| The opening between the stomach and small intestine is called what and what controls it? | Pyloric orifice ; pyloric sphincter |
| The size, shape, and position of the stomach depends on what? | The body habitus |
| What habitus is the stomach almost horizontal and is high, with its dependent portion well above the umbilical area? | Hypersthenic |
| What body habitus is the stomach vertical and occupies a low position , with its dependent portion extending well below the transplyoric or interspinous, line? | Asthenic |
| What is the body habitus of 85% of the population? | Sthenic or hyposthenic |
| 5% of the population is what type of body habitus? | Hypersthenic |
| 50% of the population has what type of body habitus? | Sthenic |
| 35% of the population has what type of body habitus? | Hyposthenic |
| 10% of the population has what type of body habitus? | Asthenic |
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