Term
Which methods are used to administer barium for a radiographic examination of the small intestine?
1.) by mouth
2.) reflex filling
3.) enteroclysis |
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Definition
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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: |
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Definition
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Term
| Which plane is centered to the grid for a lateral projection of the large intestine? |
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Definition
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Term
| What is the length of the large intestine? |
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Definition
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Term
Which of the following are essential projections for examination of the small intestine?
1.) AP
2.) PA
3.) lateral |
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Definition
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Term
| The degree of body rotation for an AP oblique projection of the large intestine is: |
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Definition
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Term
Preparation of the intestinal tract for examination of the colon includes:
1.) laxatives
2.) dietary restrictions
3.) cleansing enemas |
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Definition
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Term
| The central-ray angulation for the AP axial projection of the large intestine is: |
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Definition
| 30 to 40 degrees cephalad |
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Term
| The large intestine is made up of a series of pouches called the: |
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Definition
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Term
| The respiration phase for all projections of the large intestine is: |
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Definition
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Term
| How long is the entire alimentary canal? |
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Definition
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Term
Which of the following examinations requires the use of time markers on the radiographs?
1.) stomach
2.) small intestine
3.) large intestine |
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Definition
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Term
| The area of the colon identified in the figure below is the: |
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Definition
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Term
| The widest portion of the small bowel is the: |
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Definition
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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 |
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Definition
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Term
| What is the central-ray angulation for the PA axial projection of the large intestine? |
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Definition
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Term
| Which position should the patient be placed in to insert the enema tip for a barium enema? |
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Definition
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Term
| The contraction waves by which the digestive tube moves its contents toward the rectum are called: |
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Definition
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Term
| For which type of body habitus is the large intestine bunched together and positioned very low in the abdomen? |
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Definition
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Term
The main functions of the large intestine are:
1.) digestion of food
2.) re-absorption of fluids
3.) elimination of waste products |
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Definition
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Term
| Which projection of the colon best demonstrates the left colic flexure? |
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Definition
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Term
| The entire colon is best demonstrated in which projection? |
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Definition
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Term
Which projections will clearly demonstrate the right colic flexure?
1.) right lateral
2.) AP oblique, LPO
3.) PA oblique, RAO |
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Definition
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Term
Methods of radiographically examining the colon include:
1.) enteroclysis
2.) single contrast
3.) double contrast |
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Definition
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Term
| The wall of the small intestine is composed of how many coats? |
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Definition
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Term
| What is the length of the average adult small intestine? |
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Definition
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Term
| At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area? |
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Definition
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Term
| Where is the IR centered for delayed radiographs of the small intestine after 30 minutes? |
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Definition
| level of the iliac crests |
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Term
| The area of the colon identified in the figure below is the: |
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Definition
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Term
Methods of performing a double-contrast barium enema include:
1.) enteroclysis
2.) single-stage procedure
3.) two-stage procedure |
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Definition
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Term
| The opening between the small intestine and the large intestine is called the: |
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Definition
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Term
Which projections will clearly demonstrate the descending colon?
1.) PA oblique, LAO
2.) AP oblique, RPO
3.) left lateral |
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Definition
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Term
| The first small intestine radiograph is taken how many minutes after the patient drinks barium? |
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Definition
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Term
"High-density" barium sulfate is used primarily for:
1.) enteroclysis intestine examinations
2.) single-contrast intestine examinations
3.) double-contrast intestine examinations |
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Definition
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Term
| Where is the IR centered for radiographs of the small intestine that are taken within 30 minutes of drinking the barium? |
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Definition
| 2 inches above the iliac crests |
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Term
| Which projection of the colon best demonstrates the right colic flexure? |
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Definition
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Term
| The PA oblique projection of the colon done in the LAO position clearly demonstrates the: |
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Definition
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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 |
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Definition
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Term
| Where is the IR centered for all decubitus projections of the large intestine? |
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Definition
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Term
The main functions of the small bowel are:
1.) digestion of food
2.) absorption of food
3.) storage of food |
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Definition
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Term
| The vermiform appendix of the colon is attached to the: |
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Definition
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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? |
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Definition
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Term
| The wall of the colon is composed of how many layers? |
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Definition
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Term
| What percentage of the population will have a combination of sthenic and hyposthenic body habitus? |
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Definition
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Term
| The most distal portion of the small intestine is the: |
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Definition
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Term
Which of the following are included as components of the alimentary canal?
1.) anus
2.) colon
3.) esophagus |
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Definition
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Term
| The area identified in the figure below is the: |
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Definition
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Term
| The jejunum and ileum are attached to the posterior wall of the abdomen by the: |
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Definition
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Term
| How far is the enema tip inserted into the rectum for a colon examination? |
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Definition
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Term
| The small intestine is divided into how many distinct portions? |
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Definition
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Term
| The degree of body rotation for the PA oblique projection (RAO or LAO) of the large intestine is: |
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Definition
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Term
| At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine? |
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Definition
| a longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side |
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Term
| How far above the anus is the enema bag placed during a barium enema? |
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Definition
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Term
| The pouch-like portion of the large intestine that is situated below the junction of the ileum and colon is the: |
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Definition
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Term
| The patient preparation for a small intestine examination is: |
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Definition
| food and fluid withheld after the evening meal and no breakfast |
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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 |
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Definition
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Term
| Which projection of the colon best demonstrates the ascending colon? |
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Definition
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Term
Which projections taken during a barium enema will demonstrate the rectosigmoid area?
1.) lateral
2.) PA axial
3.) AP axial |
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Definition
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