核子医学学会专科医师甄试笔试考题

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1、2005年核子醫學學會專科醫師甄試筆試考題因為本次試題由各醫院不同醫師所出故用中英文均有請見諒共選擇題一百題四或五選一每題一分沒有倒扣正確答案請在答案紙上打叉1.Oneofthefollowingbenignlesionsdoesnotusuallyshowincreasedtraceruptakeonbonescans:(a)Paget‘sdisease(b)Engelmann‘sdisease(c)Bonecyst(d)Fibrousdysplasia(e)Osteoidosteoma2.Whichofthefollowingstatements

2、regardingTc-99m-labelledperfusionagentsistrue?:(a)Tetrofosminhasbeenprovedtobemoreinformativethansestamibiinregardtomyocardialviability(b)Hepaticclearanceisfasterfortetrofosminthanforsestamibi(c)Heart/liverratioishigherwithTc-99m-labelledperfusionagentsthanwithTl201(d)Acquisiti

3、onshouldbestartedwithin10minutesafterinjectionoftetrofosminandsestamibi(e)Tetrofosminandsestamibiactaspotassiumanalogues3.IntreatingGrave‘sdiseasewithI-131:(a)OphthalmopathymayworsenafterI131therapy(b)Standarddosecapsuleshaveadosimetricadvantageforthepatientc)Pregnancyshouldbea

4、voidedforatleast12months(c)Betablockingdrugscanberestarted5daysposttherapy4.YouseeabnormalGa-67uptakeinlunglesionsinapatientwithAIDS.Thiscanbeduetoavarietyofconditionsexcept:(a)Tuberculosis(b)Kaposi‘ssarcoma(c)Lymphoma(d)Pneumocystiscariniipneumonia5.Aradionuclidewithaphysicalh

5、alf-lifeof8dayshasabiologicalhalf-lifeof2days.Itseffectivehalf-lifeis:(a)0.6day(b)1.6days(c)2.0days(d)8.0days(e)16.0days6.Whichofthefollowingrepresentsanadvantageofadenosineoverdipyridamoleinmyocardialperfusionscintigraphy?(a)Highersensitivity(b)Higherspecificity(c)Adenosinehas

6、ashorterhalftime(d)Adenosinehasalongerhalftime7.Thetracerofchoiceforindirectradionuclidecystographyinchildrenis:(a)Tc-99m-DTPA(b)I-131-hippuran(c)Tc-99m-DMSA(d)Tc-99m-gluconate(e)Tc-99m-MAG-38.Whichstatementiscorrect?TheactivityofMo-99intheeluateofTc-99mgeneratorislimitedtoaver

7、ylowlevelbecause:(a)Molybdenuminterfereswiththereductionofpertechnetate(b)MolybdenuminterfereswiththeformationofsomeTc-99mcomplexes(c)MolybdenuminterfereswiththebiodistributionofsomeTc-99mradiopharmaceuticals(d)Molybdenum-99deliversanundesirableradiationburdentothepatientThequa

8、lityandsizeoftheaboveillustrationisnotrepresentativeof