Which position should the patient be placed in to insert the enema tip for a barium enema?
Definition
Sims
Term
The opening between the small intestine and the large intestine is called the:
Definition
ileocecal valve
Term
What is the length of the average adult small intestine?
Definition
22 feet
Term
The contraction waves by which the digestive tube moves its contents toward the rectum are called:
Definition
peristalsis
Term
The first small intestine radiograph is taken how many minutes after the patient drinks barium?
Definition
15 minutes
Term
Preparation of the intestinal tract for examination of the colon includes: 1.) laxatives 2.) dietary restrictions 3.) cleansing enemas
Definition
1, 2, 3
Term
At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine?
Definition
a longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side
Term
What is the central-ray angulation for the PA axial projection of the large intestine?
Definition
Term
Where is the IR centered for all decubitus projections of the large intestine?
Definition
iliac crests
Term
Which of the following radiographs are taken during a single-contrast barium enema? 1.) "spot" radiographs 2.) "filled" colon radiographs 3.) postevacuation radiographs
Definition
1, 2, 3
Term
At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area?
Definition
ASIS
Term
Which of the following demonstrates the rectum and rectosigmoid area in a true axial projection? 1.) AP axial 2.) left lateral decubitus 3.) Chassard-Lapiné method
Definition
3 only
Term
The small intestine is divided into how many distinct portions?
Definition
3
Term
"High-density" barium sulfate is used primarily for: 1.) enteroclysis intestine examinations 2.) single-contrast intestine examinations 3.) double-contrast intestine examinations
Definition
3 only
Term
The central-ray angulation for the AP axial projection of the large intestine is:
Definition
Term
The jejunum and ileum are attached to the posterior wall of the abdomen by the:
Definition
mesentery
Term
Which plane is centered to the grid for a lateral projection of the large intestine?
Definition
midcoronal plane
Term
Which of the following examinations requires the use of time markers on the radiographs? 1.) stomach 2.) small intestine 3.) large intestine
Definition
2 only
Term
The widest portion of the small bowel is the:
Definition
duodenum
Term
The main functions of the large intestine are: 1.) digestion of food 2.) reabsorption of fluids 3.) elimination of waste products
Definition
2 and 3
Term
Which projection of the colon best demonstrates the ascending colon?
Definition
PA oblique, RAO
Term
The main functions of the small bowel are: 1.) digestion of food 2.) absorption of food 3.) storage of food
Definition
1 and 2
Term
Which methods are used to administer barium for a radiographic examination of the small intestine? 1.) by mouth 2.) reflex filling 3.) enteroclysis
Definition
1, 2, and 3
Term
The general term used to describe the surgical procedure of forming an artificial opening to the intestine for the passage of fecal material is:
Definition
enterostomy
Term
Where is the IR centered for radiographs of the small intestine that are taken within 30 minutes of drinking the barium?
Definition
2 inches above the iliac crests
Term
How long does it take barium to go through the alimentary canal and reach the rectum?
Definition
24 hours
Term
"High-density" barium sulfate is used primarily for: 1.) enteroclysis intestine examinations 2.) single-contrast intestine examinations 3.) double-contrast intestine examinations
Definition
3 only
Term
At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area?
Definition
ASIS
Term
At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine?
Definition
a longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side
Term
For all projections of the esophagus, the top of the IR is positioned at:
Definition
Term
For which type of body habitus is the large intestine bunched together and positioned very low in the abdomen?
Definition
asthenic
Term
For which type of body habitus is the stomach almost horizontal?
Definition
hypersthenic
Term
For which type of body habitus is the stomach nearly vertical?
Definition
Term
How far above the anus is the enema bag placed during a barium enema?
Definition
18 to 24 inches
Term
How far is the enema tip inserted into the rectum for a colon examination?
Definition
Term
How long does it take barium to go through the alimentary canal and reach the rectum?
Definition
24 hours
Term
How long is the entire alimentary canal?
Definition
30 feet
Term
Methods of performing a double-contrast barium enema include: 1.) enteroclysis 2.) single-stage procedure 3.) two-stage procedure
Definition
2 and 3
Term
Methods of radiographically examining the colon include: 1.) enteroclysis 2.) single contrast 3.) double contrast
Definition
2 and 3
Term
One of the most important technical considerations in gastrointestinal radiography is:
Definition
elimination of motion
Term
Preparation of the intestinal tract for examination of the colon includes: 1.) laxatives 2.) dietary restrictions 3.) cleansing enemas
Definition
1, 2, and 3
Term
The PA oblique projection of the colon done in the LAO position clearly demonstrates the:
Definition
descending colon
Term
The ascending portion of the colon joins the transverse colon at the:
Definition
right colic flexure
Term
The central-ray angulation for the AP axial projection of the large intestine is:
Definition
.
Term
The common bile duct and the pancreatic duct usually unite to form the:
Definition
greater duodenal papilla
Term
The contraction waves by which the digestive tube moves its contents toward the rectum are called:
Definition
peristalsis
Term
The degree of body rotation for an AP oblique projection of the large intestine is:
Definition
35 to 45 degrees
Term
The duodenum joins the jejunum at a sharp curve called the:
Definition
duodenojejunal flexure
Term
The entire colon is best demonstrated in which projection?
Definition
Term
The folds of the thick inner lining of the stomach are termed the:
Definition
rugae
Term
The general term used to describe the surgical procedure of forming an artificial opening to the intestine for the passage of fecal material is:
Definition
enterostomy
Term
The jejunum and ileum are attached to the posterior wall of the abdomen by the:
Definition
mesentery
Term
The large intestine is made up of a series of pouches called the:
Definition
haustra
Term
The main functions of the small bowel are: 1.) digestion of food 2.) absorption of food 3.) storage of food
Definition
1 and 2
Term
The most common contrast medium used for radiologic examinations of the gastrointestinal tract is:
Definition
barium sulfate
Term
The most distal portion of the small intestine is the:
Definition
ileum
Term
The mucosa of the small intestine contains a series of fingerlike projections called:
Definition
villi
Term
The opening between the small intestine and the large intestine is called the:
Definition
ileocecal valve
Term
The opening between the stomach and the small intestine is termed the:
Definition
pyloric orifice
Term
The opening inside the duodenum where pancreatic enzymes and bile enter is called the:
Definition
greater duodenal papilla
Term
The patient preparation for a small intestine examination is:
Definition
Term
The pouchlike portion of the large intestine that is situated below the junction of the ileum and colon is the:
Definition
cecum
Term
The respiration phase for all projections of the large intestine is:
Definition
suspended respiration
Term
The vermiform appendix of the colon is attached to the:
Definition
cecum
Term
The wall of the colon is composed of how many layers?
Definition
4
Term
The wall of the small intestine is composed of how many coats?
Definition
4
Term
The widest portion of the small bowel is the:
Definition
duodenum
Term
What is the average degree of body rotation for an AP oblique projection of the stomach and duodenum?
Definition
45 degrees
Term
What is the central-ray angulation for the PA axial projection of the large intestine?
Definition
30 to 40 degrees caudad
Term
What is the length of the average adult small intestine?
Definition
22 feet
Term
What is the length of the large intestine?
Definition
5 feet
Term
What is the respiration phase for all radiographic exposures of the stomach and intestines?
Definition
expiration
Term
Where is the IR centered for all decubitus projections of the large intestine?
Definition
level of the iliac crests
Term
Where is the IR centered for radiographs of the small intestine that are taken within 30 minutes of drinking the barium?
Definition
2 inches above the iliac crests
Term
Which drug may be given to the patient before a double contrast examination of the stomach to relax the GI tract?
Definition
glucagon
Term
Which of the following are advantages of using the recumbent position for radiographs of the esophagus? 1.) varices are better filled 2.) easier to swallow barium 3.) more complete contrast filling, especially proximal part
Definition
1 and 3
Term
Which of the following are components of the alimentary canal? 1.) mouth and pharynx 2.) stomach and intestine 3.) liver and pancreas
Definition
1 and 2
Term
Which of the following are essential oblique projections of the stomach and duodenum? 1.) AP projection, LPO 2.) PA projection, RAO 3.) PA projection, LAO
Definition
1 and 2
Term
Which of the following are essential projections for examination of the small intestine? 1.) AP 2.) PA 3.) lateral
Definition
1 and 2
Term
Which of the following are included as components of the alimentary canal? 1.) anus 2.) colon 3.) esophagus
Definition
1, 2, and 3
Term
Which of the following contrast mediums are used for examinations of the gastrointestinal tract? 1.) air 2.) barium sulfate 3.) water-soluble iodinated solution
Definition
1, 2, and 3
Term
Which of the following examinations requires the use of time markers on the radiographs? 1.) stomach 2.) small intestine 3.) large intestine
Definition
2 only
Term
Which of the following is true regarding inflation of the retention balloon for a barium enema? 1.) it should be inflated by the radiographer using fluoroscopy 2.) it should be inflated by the radiologist using fluoroscopy 3.) it should be inflated by the radiologist without using fluoroscopy
Definition
2 only
Term
Which of the following will demonstrate the duodenal bulb and loop in profile?
Definition
PA oblique, RAO
Term
Which plane is centered to the grid for a lateral projection of the large intestine?
Definition
midcoronal plane
Term
Which projection is used for radiographs made during defecography?
Definition
lateral
Term
Which projection of the colon best demonstrates the ascending colon?
Definition
PA oblique, RAO
Term
Which projection of the colon best demonstrates the lateral aspect of the ascending colon and the medial aspect of the descending colon, when the colon is inflated with air?
Definition
Term
Which projection of the colon best demonstrates the left colic flexure?
Definition
PA Oblique LAO
Term
Which projection of the colon best demonstrates the posterior portions of the colon?
Definition
PA oblique, RAO
Term
Which projection of the colon will best demonstrate the medial aspect of the ascending colon and the lateral aspect of the descending colon when the colon is inflated with air?
Definition
AP, right lateral decubitus
Term
Which projections taken during a barium enema will demonstrate the rectosigmoid area? 1.) lateral 2.) PA axial 3.) AP axial
Definition
1, 2, and 3
Term
Which projections will clearly demonstrate the descending colon? 1.) PA oblique, LAO 2.) AP oblique, RPO 3.) left lateral
Definition
1 and 2
Term
Which projections will clearly demonstrate the right colic flexure? 1.) right lateral 2.) AP oblique, LPO 3.) PA oblique, RAO
