Posi Sm & Lg Bowel HW

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

Which projection of the colon best demonstrates the ascending colon?

PA oblique, RAO

Which position should the patient be placed in to insert the enema tip for a barium enema?

Sims

At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine?

a longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side

The area of the colon identified in the figure below is the:

cecum (pic)

The widest portion of the small bowel is the:

duodenum

The general term used to describe the surgical procedure of forming an artificial opening to the intestine for the passage of fecal material is:

enterostomy

The opening between the small intestine and the large intestine is called the:

ileocecal valve

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?

iliac crests

Where is the IR centered for all decubitus projections of the large intestine?

iliac crests

The jejunum and ileum are attached to the posterior wall of the abdomen by the:

mesentary

Which plane is centered to the grid for a lateral projection of the large intestine?

midcoronal plane

The contraction waves by which the digestive tube moves its contents toward the rectum are called:

peristalsis

The main functions of the small bowel are: 1.) digestion of food 2.) absorption of food 3.) storage of food

1 and 2

Which of the following radiographs are taken during a single-contrast barium enema? 1.) "spot" radiographs 2.) "filled" colon radiographs 3.) post-evacuation radiographs

1 and 3

Preparation of the intestinal tract for examination of the colon includes: 1.) laxatives 2.) dietary restrictions 3.) cleansing enemas

1, 2, and 3

Which methods are used to administer barium for a radiographic examination of the small intestine? 1.) by mouth 2.) reflex filling 3.) enteroclysis

1, 2, and 3

Which of the following can be used to record the fluoroscopic image? 1.) TV 2.) cine 3.) video recorders

1, 2, and 3

The first small intestine radiograph is taken how many minutes after the patient drinks barium?

15 minutes

The main functions of the large intestine are: 1.) digestion of food 2.) re-absorption of fluids 3.) elimination of waste products

2 and 3

Where is the IR centered for radiographs of the small intestine that are taken within 30 minutes of drinking the barium?

2 inches above the iliac crests

Which of the following examinations requires the use of time markers on the radiographs? 1.) stomach 2.) small intestine 3.) large intestine

2 only

What is the length of the average adult small intestine?

22 feet

How long does it take barium to go through the alimentary canal and reach the rectum?

24 hours

The small intestine is divided into how many distinct portions?

3

"High-density" barium sulfate is used primarily for: 1.) enteroclysis intestine examinations 2.) single-contrast intestine examinations 3.) double-contrast intestine examinations

3 only

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

3 only

What is the central-ray angulation for the PA axial projection of the large intestine?

30 to 40 degrees caudad

The central-ray angulation for the AP axial projection of the large intestine is:

30 to 40 degrees cephalad

What percentage of the population will have a combination of sthenic and hyposthenic body habitus?

85%

At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area?

ASIS


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