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positioning chapter 12 self test
The gallbladder is located int the ________ margin of the liver a. posterior inferior b. posterior superior c. midaspect d. anterior superior - a. posterior inferior which one of the following is not a recognized love of the liver a. caudate b. quadrate c. inferior d. left - c. inferior in which quadrant is the liver located in the sthenic patient a. right lower quadrant b. left lower quadrant c. left upper quadrant d. right upper quadrant - d. right upper quadrant what is the name of the soft tissue structure that divides the liver into left and righ loves - falciform ligament what is the primary function of bile - to break down or emulsify fats what duct is formed by the union of the left and righ hepatic ducts. - common hepatic duct which duct carries bile from the cystic duct ot the duodenum - common bile duct (CBD)
what is the average capacity of the gallbladder - 30-40 ml which process leads to concentration of bile within the gallbladder - hydrolysis which hormone leads to contraction of the gallbladder to release bile - cholecystokinin (CCK) series of mucosal folds in custic duct - spiral valve a protrusion into the duodenum - duodenal papilla middle aspect of gallbladder - body duct connected directly to gallbladder - cystic duct narrowest portion of gallbladder - neck broadest portion of gallbladder - fundus enlarged chamber in distal aspect of common bile duct - hepatopancreatic ampulla duct of wirsung - pancreatic duct circular muscle fibers adjacent to duodenal papilla - hepatopancreatic sphincter which of the following terms describes the condition of having gallstones a. cholecystitis b. cholelithiasis c. cholecystectomy d. choleliths - b. cholelithiasis
a. trachea b. esophagus c. aorta d. inferior vena cava - a. trachea wavelike involuntary contractions that help propel food down the esophagus are called - peristalsis the Greek term gaster, or gastro, means - stomach which one of the following aspects of the stomach is defined as an indentation between the body and pylorus a. cardiac antrum b. pyloric antrum c. cardiac notch (incisura cardiac) d. angular notch (incisura angularis) - d. angular notch (incisura angularis) T/F the numerous mucosal folds found in the small bowel are called rugae - false which aspect of the stomach fills with air when the patient is prone a. fundus b. body c. duodenal bulb d. pylorus - a. fundus T/F the lateral margin of the stomach is called the lesser curvature - false which aspect of the stomach does barium gravitate to when the patient is in the supine position - fundus
which two structures create the "romance of the abdomen - head of the pancreas and C loop of duodenum middle aspect of stomach - body horizontal portion of duodenum - third portion of duodenum rugae - mucosal folds opening between esophagus and stomach - esophagogastric junction opening leaving the stomach - pyloric orifice found along superior aspect of fundus - pyloric orifice indentation found along lesser curvature - angular notch ascending portion of duodenum - fourth portion of duodenum most posterior aspect of stomach - fundus the act of chewing is termed - mastication which term describes food once it enters the stomach and is mixed with gastric fluids - chyme the churning or mixing activity of chime in the small intestine is called a. peristalsis b. deglutition c. rhythmic segmentation
b. chronic aspiration c. dehydration d. perforated ulcer - c. dehydration T/F water soluble contrast agents pass through the gastrointestinal tact faster than barium sulfate - true T/F digital fluoroscopy does not require the use of image receptor cassettes - true which of the cardinal principles of radiation protection is most effective in reduign exposure to the technologist during fluoroscopy - distance protective aprons of lead equivalency must be worn during fluoroscopy a. 1.0 mm pb/eq b. 0.50 mm pb/eq c. 0.25 mm pb/eq d. 0.15 mm pb/eq - b. 0.5 mm pb/eq which one of the following is the older term for GERD a. esophageal reflux b. barrett's esophagus c. esophageal varices d. zenkers diverticulum - a. esophageal reglux a large outpouching of the upper esophagus is termed: a. zenkers diverticulum b. achalasia c. barretts esophagus d. esophageal varices - a. zenkers diverticulum
a phytobezoar is a. an outpouching of the mucosal wall b. trapped mass of hair in the stomach c. a rare tumor d. trapped vegetable fiber in the stomach - d. trapped vegetable fiber in the stomach what can be added to barium sulfate and swallowed to detect a radiolucent foreign body lodged in the esophagus - shredded cotton or marshmallows what is the reason that the patient may be asked to swallow a mouthful of water drawn through a straw during an esophagogram - to detect signs of esophageal reflux (GERD) how much rotation of the body should be used for an RAO esophagogram projection - 35 to 40 degrees dsdwhy is an RAO position preferred rather than an LAO during an esophagogram - RAO places the esophagus between heart and vertebra better than tan LAO why is the AP projection of the esophagus not a preferred projection of the esophagogram series - majority of esophagus is superimposed over the spine and is thus not well visualized what criterion is used with ultrasound in determining whether a pt has HPS a. abnormally long pylorus b. absence or rugae c. presence of air fluid level in the duodenum d. antral muscle thickness exceeding 4 mm - d. antral muscle thickness exceeding 4 mm other than the esophagogram, what other imagin gmodalitiy is performed to diagnose barretts esophagus a. computed tomography b. Nuc med
fundusSituation: A radiograph of an upper GI is not labeled correctly, and the technologist is unsure which position was performed. a double-contrast GI study was completed with all positions performed recumbent. the radiograph demonstrates barium in the fundus and air in the body and pylorus and duodenal bulb in profile. which position was performed? - LPO recumbent which one of the following shielding devices vest reduces exposure to the lower torso of the fluoroscopist a. lead drape b. bucky shield c. lead gloves d. grid - b. bucky shield situation: during an esophagogram, the radiologist remarks that Schtzki's ring is present. Which condition or disease process is indicated by the presence of this radiographic sign - sliding hiatal hernia Situation" a patient comes to radiology with a clinical history of a possible trichobezoar. what is a trichobezoar and which radiographic procedure is best to diagnose it - A mass of hair trapped in the stomach, an upper GI study may be performed to diagnose this condition
