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Questions and Answers
What is the approximate length of the large intestine?
Where is the cecum located?
What is the function of the ileocecal valve?
What is the last 12 cm of the large intestine called?
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What causes the presence of haustra in the large intestine?
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Which part of the large intestine has a greater internal diameter than the small intestine?
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In radiographic anatomy, what fills the ascending, descending, and parts of the sigmoid colon?
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What are some radiographic procedures used to examine the large intestine?
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What is attached to the widest portion of the large intestine located in the right lower quadrant of the abdomen?
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What is the length of the small intestine?
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What is the diameter of the small intestine?
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Which part of the small intestine is distal to the duodenum?
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Which part of the small intestine has a feathery appearance in barium?
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Where does the ileum end?
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Which part of the large intestine is distal to the transverse colon?
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What is the diameter of the large intestine?
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Which part of the large intestine is located in the right upper quadrant (RUQ)?
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Which part of the large intestine has a flexure adjacent to the liver?
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Which part of the large intestine is distal to the ascending colon?
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Where does the large intestine end?
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Radiographic anatomy of lower GIS focuses on the small intestine only
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The small intestine has a larger surface area for absorption compared to the large intestine
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The duodenum is the widest and most fixed part of the small intestine
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The ileum has a feathery appearance in barium and a larger diameter than the jejunum
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The large intestine is approximately 23 feet long
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True or false: The large intestine is composed of three parts: the cecum and appendix, the colon, and the rectum
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True or false: The ileocecal valve prevents reflux from the cecum to the jejunum
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True or false: The anal canal is controlled only by involuntary muscles
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True or false: In radiographic anatomy, air is present in the descending colon in the supine position
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True or false: Enteroclysis is a radiographic procedure used to examine the small intestine
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Study Notes
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The large intestine is a major component of the gastrointestinal tract, with a length of approximately 5 meters (6 feet) and a diameter of 2.5 inches
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The large intestine is composed of four parts: the cecum and appendix, the colon, the rectum, and the anus
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The cecum is the widest portion of the large intestine, located in the right lower quadrant of the abdomen, and attached to it is the appendix, which varies in position and length
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The ileocecal valve, located at the junction of the ileum and the cecum, acts as a sphincter to prevent reflux from the cecum to the ileum
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The rectum is the last 12 cm of the large intestine, anterior to the sacrum and coccyx, and consists of two anterioposterior curves; the anal canal, which is the last 3 cm of the large intestine, is controlled by both involuntary and voluntary muscles
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The large intestine has a greater internal diameter than the small intestine, and contains haustra due to the Taeniae coli muscle
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In radiographic anatomy, the air-barium locations in the large intestine differ depending on the position of the patient; for example, in the supine position, air is present in the transverse colon and loops of the sigmoid colon, while barium fills the ascending, descending, and parts of the sigmoid colon
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The radiographic procedures used to examine the large intestine include small bowel series, barium enema, and enteroclysis, which vary in their indications, contraindications, and techniques for patient preparation and imaging.
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The large intestine is a major component of the gastrointestinal tract, with a length of approximately 5 meters (6 feet) and a diameter of 2.5 inches
-
The large intestine is composed of four parts: the cecum and appendix, the colon, the rectum, and the anus
-
The cecum is the widest portion of the large intestine, located in the right lower quadrant of the abdomen, and attached to it is the appendix, which varies in position and length
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The ileocecal valve, located at the junction of the ileum and the cecum, acts as a sphincter to prevent reflux from the cecum to the ileum
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The rectum is the last 12 cm of the large intestine, anterior to the sacrum and coccyx, and consists of two anterioposterior curves; the anal canal, which is the last 3 cm of the large intestine, is controlled by both involuntary and voluntary muscles
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The large intestine has a greater internal diameter than the small intestine, and contains haustra due to the Taeniae coli muscle
-
In radiographic anatomy, the air-barium locations in the large intestine differ depending on the position of the patient; for example, in the supine position, air is present in the transverse colon and loops of the sigmoid colon, while barium fills the ascending, descending, and parts of the sigmoid colon
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The radiographic procedures used to examine the large intestine include small bowel series, barium enema, and enteroclysis, which vary in their indications, contraindications, and techniques for patient preparation and imaging.
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Description
Test your knowledge of the radiographic anatomy, procedures, and positioning of the lower gastrointestinal system with this quiz. Topics include the small intestine, large intestine, and relevant radiographic techniques.
