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Chapter 6 Procedures
| Question | Answer |
|---|---|
| lower gastrointestinal series (barium enema( | X-Ray inages of the colon and rectum obtained after after injection of barium into the rectum |
| upper gastrointestinal series | X-Ray inages of the esophagus, stomach, and small intestine obtained after administering barium by mouth |
| liver funtion tests (LFTs) | Tests for the presence of enzymes and bilirubin in serum |
| stool culture | test for microorganisms present in feces |
| stool guaiac or Hemoccult test | detection of occult (hidden) blood in feces |
| cholangiography | x-ray examination of the biliary system performed after injection of contrast into the bile ducts |
| computed tomography | imaging technique in which a series of x-ray films are obtained to visualize internal organsin multiple views including in cross section |
| abdominal ultrasonography | sound waves beamed into the abdomen produce an image of abdominal viscera |
| magnetic resonance | magnetic and radio waves produce images of organs and tissues in all three planes of the body |
| liver scan | inage of the liver agter injecting radioactive material into the blood stream |
| gastric bypass | reducing the size of the stomach and diverting food to the hehunum (gastrojejunostomy) |
| gastrointestinal endoscopy | visual examination of the gastrointestinal tract using an endoscope |
| laparoscopy | visual examination of the abdomen with a laparoscope inserted through small incisions in the abdomen |
| liver biopsy | removal of liver tissue followed by microscopic visualization |
| nasogastric intubation | insertion of a tube through the nose into the stomach |
| paracentesis | surgical puncture to remove fluid from the abdomen |