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Positioning Small Bowl
BE
58
Anatomy
Professional
10/16/2015

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Cards

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
Which plane is centered to the grid for a lateral projection of the large intestine?
Definition
midcoronal plane
Term
What is the length of the large intestine?
Definition
5 feet
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
The degree of body rotation for an AP oblique projection of the large intestine is:
Definition
35 to 45 degrees
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 central-ray angulation for the AP axial projection of the large intestine is:
Definition
30 to 40 degrees cephalad
Term
The large intestine is made up of a series of pouches called the:
Definition
haustra
Term
The respiration phase for all projections of the large intestine is:
Definition
suspended respiration
Term
How long is the entire alimentary canal?
Definition
30 feet
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 area of the colon identified in the figure below is the:
Definition
ascending colon (pic)
Term
The widest portion of the small bowel is the:
Definition
duodenum
Term
Which of the following radiographs are taken during a single-contrast barium enema?
1.) "spot" radiographs
2.) "filled" colon radiographs
3.) post-evacuation radiographs
Definition
1, 2 and 3
Term
What is the central-ray angulation for the PA axial projection of the large intestine?
Definition
30 to 40 degrees caudad
Term
Which position should the patient be placed in to insert the enema tip for a barium enema?
Definition
Sims
Term
The contraction waves by which the digestive tube moves its contents toward the rectum are called:
Definition
peristalsis
Term
For which type of body habitus is the large intestine bunched together and positioned very low in the abdomen?
Definition
asthenic
Term
The main functions of the large intestine are:
1.) digestion of food
2.) re-absorption of fluids
3.) elimination of waste products
Definition
2 and 3
Term
Which projection of the colon best demonstrates the left colic flexure?
Definition
PA oblique, LAO
Term
The entire colon is best demonstrated in which projection?
Definition
PA or AP
Term
Which projections will clearly demonstrate the right colic flexure?
1.) right lateral
2.) AP oblique, LPO
3.) PA oblique, RAO
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
The wall of the small intestine is composed of how many coats?
Definition
4
Term
What is the length of the average adult small intestine?
Definition
22 feet
Term
At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area?
Definition
ASIS
Term
Where is the IR centered for delayed radiographs of the small intestine after 30 minutes?
Definition
level of the iliac crests
Term
The area of the colon identified in the figure below is the:
Definition
sigmoid (pic)
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
The opening between the small intestine and the large intestine is called the:
Definition
ileocecal valve
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
The first small intestine radiograph is taken how many minutes after the patient drinks barium?
Definition
15 minutes
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
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 projection of the colon best demonstrates the right colic flexure?
Definition
PA oblique, RAO
Term
The PA oblique projection of the colon done in the LAO position clearly demonstrates the:
Definition
descending colon
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
Where is the IR centered for all decubitus projections of the large intestine?
Definition
iliac crests
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 vermiform appendix of the colon is attached to the:
Definition
cecum
Term
The majority of AP, PA, and oblique radiographs taken during a barium enema are done on 35X43-cm IRs. Where is the IR centered on sthenic patients for the majority of these projections?
Definition
iliac crests
Term
The wall of the colon is composed of how many layers?
Definition
4
Term
What percentage of the population will have a combination of sthenic and hyposthenic body habitus?
Definition
85 %
Term
The most distal portion of the small intestine is the:
Definition
ileum
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
The area identified in the figure below is the:
Definition
pyloric portion (pic)
Term
The jejunum and ileum are attached to the posterior wall of the abdomen by the:
Definition
mesentery
Term
How far is the enema tip inserted into the rectum for a colon examination?
Definition
no more than 4 inches
Term
The small intestine is divided into how many distinct portions?
Definition
3
Term
The degree of body rotation for the PA oblique projection (RAO or LAO) of the large intestine is:
Definition
35 to 45 degrees
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
How far above the anus is the enema bag placed during a barium enema?
Definition
18 to 24 inches
Term
The pouch-like portion of the large intestine that is situated below the junction of the ileum and colon is the:
Definition
cecum
Term
The patient preparation for a small intestine examination is:
Definition
food and fluid withheld after the evening meal and no breakfast
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
Which projection of the colon best demonstrates the ascending colon?
Definition
PA oblique, RAO
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
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