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Ramer · Alavi Nuclear Medicine Technology

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10210 Gastrointestinal Tract Scintigraphy22) A synthetic form of cholecystokinin is:a. glucagonb. cimetidinec. pentagastrind. sincalidee. mebrofenin23) What are the possible effects on a hepatobiliary scanif the patient has eaten 2 hours before the study?a. a false positiveb. nonvisualization of the gallbladder within an hourc. intermittent contraction of the gallbladderd. all of the abovee. a and b only24) If the maximum counts obtained from an ROI aboutthe gallbladder are 285,000 and the minimum countsobtained from the same ROI are 187,000 what is theejection fraction of the gallbladder?a. 22%b. 34%c. 52%d. 66%e. 73%25) Is the ejection fraction in question 25 within the normalrange?a. yesb. no26) What will be visualized in the first hour of a normalhepatobiliary scan?a. common ductb. gallbladderc. duodenumd. all of the abovee. a and b only

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