Positioning LGI
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| What is the patient prep for a small intestine exam | NPO- 8 hours
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| The first small intestine exam should be taken how long after the patient drinks the barium | 15 mins
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| What are the essential projections for a small intestine exam | PA and AP
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| Where is the IR centered for a delayed radiograph of the small intestine | Iliac crest
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| What exams require the use of time markers | Small intestine
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| Where is the IR centered for a radiographs of the small intestine tha are taken within 30mins of drinking the barium | 2inches above the iliac crest
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| "High Density" barium sulfate is use for what | Double contrast intestine exams
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| Wha is the patient prep of intestinal tract for the colon exam | Laxative, dietary restrictions, and cleansing enema
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| Methods of radiographically examining of the colon include | Single and double contrast
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| What methods are used to administer barium for a radiographic exam of the small intestines | Oral, reflux filling, and enterolysis
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| Who should inflate the retention balloon for a barium enema | Radiologist should inflate with fluro
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| What position should the patient be placed in for the insertion of the enema tip for a barium enema | Sims
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| How far above the anus is the enema bag laced during a barium enema | 18-24 inches
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| The majority of AP,PA, and oblique radiographs taken during a BE are done on 35x43 IRs. Where is the IR centered for the majority of these projections | Iliac crest
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| What is the respiration phase for all projections of the large intestine | Suspended expiration
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| Which projections are taken during a BE will demonstrate the rectosigmoid area | Lateral, PA, AP axial
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| What's the CR angulation for the PA Axial projection of the large intestine | 30 to 40 degrees caudad
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| What is the degree of body rotation for the PA oblique projection(RAO or LAO) of the large intestine | 35 to 45 degrees
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| At which plane is the CR positioned for the PA oblique projection (RAO or LAO) of the large intestine | A longitudinal plane 1-2 inches lateral to the midline of the body on the elevated side
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| Which projection of the colon best demonstrates the right colic flexure | PA oblique RAO and AP oblique LPO
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| What projection of the colon best demonstrates the ascending colon | PA oblique RAO
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| A PA oblique projection of the colon in a LAO position clearly demonstrates what | Descending colon and left colic flexure
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| What projection of the colon best demonstrates the left colic flexure | PA oblique LAO
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| At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area | ASIS
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| Which plane is centered to the grid for a lateral projection of the large intestine | Midcoronal plane
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| What's the CR angulation for an AP Axial projection of the large intestine | 30-40 degrees cephalad
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| What is the degree of body rotation for an AP oblique projection of the large intestine | 35-45 degrees
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| What projection will clearly demonstrate the descending colon | PA oblique(LAO) and AP oblique(RPO)
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| Where is the IR centered for all decubitus projections of the large intestine | Iliac crest
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| What projection demonstrates the rectum and rectosigmoid area Ina true axial projection | Chassard- lapine projection
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| The large intestine is made up of a series of pouches called | Haustra
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| The pouch like portion of the large intestine is situated below the junction of the ileum and colon is | Cecum
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| The ascending portion of the colon joins the transverse colon at the | Right colic flexure
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| For which type of body habitus is the large intestine bunched together and and positioned very low abdomen | Asthenic
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| The general term used to describe the surgical procedure of forming an artificial opening to the intestine for the passageway of fecal matter | Enterostomy
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| What projection are used for radiographs made during defecography | Lateral
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| The vermiform appendix is a small, blind pouch which projects inferior from the | Cecum
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| How far is the enema tip inserted into the rectum for colon exam | 3.5-4 inches
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| The entire colon is best demonstrated in which projection | PA or AP
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| Which projection of the colon will best demonstrate the medial aspect of the ascending colon and lateral aspect of the descending colon when it is inflated with air | AP right lateral decubitus
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| Which projection of the colon best demonstrates the lateral aspect of the ascending colon and medial aspect of the descending colon when it is inflated by air | AP left lateral decubitus
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| What's the length of the average small intestine | 22 feet
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| What is the main function of the small bowel | Digestion of food and absorption of food
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| How many layers is the colon composed of | 4
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| What is the length of the large intestine | 5 feet
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| The main function of the large intestine is | Reabsorption of fluid and elimination of waste
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| The opening between the small intestine and larger intestine is called | Ileocecal valve
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| The contraction waves by which the digestive tube moves its contents toward the return is called | Peristalsis
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| What are the folds of the stomach called | Rugae
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| Finger like projections are called | Villi
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| Where does the duodenum and the jejunum join | Duodenojejunum flexure
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| Largest gland in the body | Liver
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| What are the two regions of the abdomen that are almost entirely occupied by the liver | Right hypochondria and epigastric regions
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| Where is the spleen located l | Left upper quadrant
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| During an ERCP an endoscope is passed into the duodenum under fluoroscopic control. A spot radiographs are usually taken of the | Pancreatic duct and common bile duct
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| During an operative cholangiogram the surgeon ingests contrast medium directly in to the biliary system. Which projections are typically taken with this procedure | AP and AP oblique RPO
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| What are the four parts to the large intestine? | 1)Cecum 2)Colon 3)Rectum 4)Anal Canal
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| Where and what is the vermiform appendix attached to? | Posteromedial Side of the Cecum
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| What methods are used for radiographic examinations of the colon? | Single or Double Contrast
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| What Projection and position will best demonstrate the posterior portion of the colon | Lateral projection in Left or Right Ventral Decubitus position
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| What are the methods of performing a double contrast barium enema? | Single stage, & two stage by Welin
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