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33 Cards in this Set

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What is the portion of the colon that is located between the ascending and descending colon?
transverse colon
Which special projection is performed to visualize the rectum, rectosigmoid junction and the sigmoid?
Chassard-Lapine method
Which examination of the alimentary canal requires that a series of radiographs be taken at specific time intervals after the ingestion of the contrast medium?
small bowel series
What types of movement occur in the small intestines?
Peristalsis (upper portion) and rhythmic segmentation
What types of movement occur in the large intestines?
Haustral churning, mass peristalsis, and defecation
How many degrees and in which direction should the CR be directed for the PA axial projection during a BE?
30-40 degrees caudal
Which structure, when visualized on a radiograph as part of the small bowel series, usually indicates the completion of the exam?
cecum
What is the name of the drug that can be added to the barium sulfate suspension, during a barium enema, to control spasms?
lidocaine
Where does the reabsorption of water, inorganic salts, vitamin K and amino acids occur in the gastrointestinal system?
large intestines
Which colic flexure is generally located most superior?
Left colic (Splenic) flexure
Which two oblique projections can be performed to best demonstrate the Left Colic flexure?
LAO & RPO
The purpose of the barium enema examination is to radiographically study the form and function of the ______________ and to detect any abnormalities.
Large intestines
The PA oblique projection (RAO position) and the AP oblique projection (LPO position) for the barium enema, will best demonstrate the:
Right colic (hepatic) flexure
What is the proper sequence for filling the large intestines with barium when performing a BE?
Rectum, sigmoid, descending colon, transverse colon, ascending colon
The lower three-fifths of the small intestines is comprised by the:
ileum
What is the name of the injectable drug that can be given to help control spasms during a barium enema?
Glucagon
Which are considered indications for performing a barium enema exam?
Rectal bleedin and diarrhea
Which colic flexure is generally located more inferiorly?
Right colic (hepatic) flexure
Which structure of the large intestines is of primary interest for the Right PA oblique projection (RAO position) during the BE exam?
Right colic (hepatic) flexure
Which portion of the small intestines is considered the longest?
Ileum
For the PA projection during a SBS, what is the advantage of placing the x-ray table and patient in a slight Trendelenburg position?
To separate the overlapping loops of the ileum
Which of the following will be of primary interest on the double-contrast BE, LAO and RPO positions?
left colic (splenic) flexure
Which portion of the small intestines is considered to be the smallest in diameter?
Ileum
Before the enema tip is inserted during a BE, why should a small amount of barium sulfate be allowed to run into a waste basin?
To remove air from the tube
Which portion of the small intestines has a “feathery” appearance when filled with barium?
Jejunum
For most routine projections of the single and double contrast barium enema, the CR is directed to the level of the:
Iliac crest
For the PA left lateral decubitus projection of the large intestines, which structures will be radiographically demonstrated inferiorly?
Left colic (splenic) flexure
The upper two-fifths of the small intestines is comprised by the:
Jejunum
The small intestines extends from the pyloric sphincter of the stomach to the:
ileocecal valve
Which structure of the large intestine is best demonstrated if the patient is rotated 45 degrees, from a supine position, to elevate the right side of the abdomen away from the x-ray table during a BE? `
Right colic (hepatic) flexure
Which structures of the large intestines are of primary interest with the AP axial or PA axial projections during a BE?
Sigmoid and rectum
To visualize polyps int he bowel, what position would best demonstrate the pathology?
To place the patient so that air fills the portion of the bowel demonstrating polyps.
What needs to be done to visualize diverticula of the bowel?
The portion of the bowel with the pathology must be barium filled.