核醫(yī)學(xué)知到智慧樹章節(jié)測試課后答案2024年秋溫州醫(yī)科大學(xué)

核醫(yī)學(xué)知到智慧樹章節(jié)測試課后答案2024年秋溫州醫(yī)科大學(xué)第一章單元測試

Whatistherelationshipbetween123Iand124I?()

A:Nuclide

B:Isotope

C:Isomer

D:Element

答案:Isotope

AnuclidehasthesameN,Zandenergystate.（）

A:對B:錯

答案:對WhenTcmdecayintoTc,themassischanged.（）

A:錯B:對

答案:錯Atomicnucleiarespontaneouslyaffectedbyexternalinfluences，suchastemperature,pressure,electromagneticfields.()

A:錯B:對

答案:錯whichisnottrue

forGammadecay?()

A:Theatomicnumberischanged.

B:99mTcdecaysinto99Tcisatypeofgammadecay.

C:Itisatypeofelectromagneticradiation.

D:Themassnumberisnotchanged.

答案:Theatomicnumberischanged.

第二章單元測試

Whatpartofanimagingsystememitslightwhenithasabsorbedaphoton?（）

A:scintillationcrystal

B:photomultipliertube

C:pulseheightanalyzer

D:Collimator

答案:scintillationcrystal

Whathappenstoimagesizeasthedistancebetweenapatientandaparallelholecollimatordecreases?（）

A:doesnotchange

B:worsens

C:improves

答案:doesnotchange

TheimagesacquiredasaSPECTcamerarotatesaround

apatientarecalled:（）

A:reconstructions

B:arcs

C:projections

D:azimuthstops

答案:projections

Mostofthephotonsemittedfromtheradiopharmaceuticalwhichhasbeenadministeredtoapatient:（）

A:aandb

B:areconvertedtoavoltagesignal

C:donotcontributetothefinalimage

D:arereceivedbythesodiumiodidecrystal

E:bandc

答案:donotcontributetothefinalimage

Atechnologistcoversthecollimator(whichisfacingtheceiling)withabsorbentpaperandobtainsauniformityimageusingaliquidfloodsourcewithadded99mTc.Aroundcoldspotisseenontheimage.Subsequentlythetechnologistremovesthecollimator,turnsthecamerafacedownandobtainsanotherimageusingapointsourceplacedonthefloor.Thisimageappearsuniform.Whatisthemostlikelycauseofthecoldspotonthefirstimage?（）

A:collimatordefect

B:improperenergypeaking

C:decoupledphotomultipliertube

D:subtlecrystalcrack

答案:decoupledphotomultipliertube

第三章單元測試

MostradionuclidesusedinPETscanningareCyclotron-produced,suchas18Fand11C.()

A:對B:錯

答案:對WhatisT1/2of99Mo?()

A:6.6d

B:6.6h

C:66d

D:66h

答案:66h

Whatisenergyof99mTc?()

A:140Kev

B:364Kev

C:511Kev

D:140Mev

答案:140Kev

99mTcisthemostcommonlyusedforPETimaging.()

A:錯B:對

答案:錯131Iisby-productofthefissionof235U.()

A:對B:錯

答案:對

第四章單元測試

Whichofthefollowingisnotafreeradicalproducedbywaterionization?()

A:H2O2

B:H2O

C:H

D:OH

答案:H2O

Directradioationeffectresultsfromadirectphysicalenergyexchangebetweentheionizingphotonandtheaffectedmolecule.(）

A:錯B:對

答案:對Betaparticleshasstrongerbiologicaleffectsduringinternalirradiationthanalfarays.（）

A:錯B:對

答案:錯whichishighsensitivitytissueexcept()

A:thegastrointestinaltract

B:theLymphoidtissue

C:theredmarrow

D:theskeleton

答案:theskeleton

Wearereceivingradiationeveryday.()

A:錯B:對

答案:對

第五章單元測試

Theblood-brainbarrieris:（）

A:visibleonallbrainimages

B:ananatomicandphysiologicalconcept

C:composedoffourcelllayers

D:responsibleforactivetumorgrowth

答案:ananatomicandphysiologicalconcept

WhichofthefollowingradiopharmaceuticalsisNOTbasedondetectingacompromisedblood-brainbarrier?（）

A:99mTcDTPA

B:201TI

C:99mTcpertechnatate

D:99mTcGH

E:99mTcHMPAO

答案:99mTcHMPAO

IndicationsforSPECTperfusionimagingincludeallofthefollowingEXCEPT:（）

A:evaluationofcerebrovasculardiseases

B:evaluationofheadtrauma

C:localizationofseizurefoci

D:pituitarymicroadenoma

答案:pituitarymicroadenoma

Whichdosecouldbeusedfor99mTcECDor99mTcHMPAOforSPECTbrainimaging?（）

A:5–7mCi

B:20mCi

C:7–10mCi

D:2–5mCi

答案:20mCi

5TheimagesobtainedwithaPETstudyusing18FDGcanbestbedescribedas:（）

A:Dynamic

B:metabolic

C:anatomical

D:perfusion

答案:metabolic

第六章單元測試

WhatistheradiopharmaceuticalofRAIU?()

A:125I

B:99mTc

C:18F

D:131I

答案:131I

WhichisnottrueforRAIU?()

A:Nolevothyroxinetherapywithin4-6weeks.

B:Nobreakfastonthefistdayofthestuys.

C:Noantithyroiddrugsfor1to2week.

D:Noneedtobaniodinediet.

答案:Noneedtobaniodinediet.

Therateoftaking131Iduringtherecoveryperiodofthyroiditiscanbenormalorincreased.()

A:對B:錯

答案:對Whichisnottrueforacutethyroiditis?()

A:Itisbelievedtobeaviralinfection.

B:Thepatientisinastateofthyrotoxicosis.

C:Itisdividedintofourstages.

D:RAIUisincrease.

答案:RAIUisincrease.

Parathyroidimagingexaminationdoesnotinclude（）

A:X-ray

B:Ultrasound

C:SPECT

D:CT

答案:X-ray

第七章單元測試

Thecoronaryarterycirculationreceivesapproximately____%ofthecardiacoutputoftheheart.（）

A:10

B:25

C:20

D:4-5

答案:4-5

Thebestimagingperiodfortheevaluationofacutemyocardialinfarctswith99mTc-PYPis___postinfarction.（）

A:24-72hours

B:0-24hours

C:1-5days

D:5-7days

答案:24-72hours

whichofthefollowingradiopharmaceuticalsisnotusedtoperformmyocardialperfusionimaging?（）

A:99mTcsestimibi

B:201TlCl

C:99mTcteboroxime

D:111Inoxine

答案:111Inoxine

Whichofthefollowingcannotbeevaluatedbyradionuclideventriculography?（）

A:conductionabnormalities

B:aneurysmalflow

C:wallmotion

Bwallthickness

答案:aneurysmalflow

Falsenegativestressmyocardialperfusionstudiesareusuallycausedby:（）

A:failureofthemyocardiumtoextract201Tlchloridefromthebloodstream

B:thalliumcontainedintoolargeavolume

C:electrocardiogramleads

D:failureofthepatienttoreachmaximalstress

答案:failureofthepatienttoreachmaximalstress

第八章單元測試

Ingeneralhowmanycapillariesareblockedwhenaperfusionlungscanusing99mTcisperformed?（）

A:noneoftheabove

B:fewerthan1in1000

C:＜0.1%

D:bothaandb

答案:fewerthan1in1000

Duringalungperfusionstudy,activityisnotedintheheadandintheareaofthekidneys.Thisrepresents:（）

A:righttoleftshunt

B:freetechnetiumintheMAA

C:incorrectparticlesize

D:probablemetastases

答案:righttoleftshunt

WhichradiopharmaceuticalwillbemostusefulindetectingdelayedwashoutinapatientwithCOPD?（）

A:99mTcDTPA

B:99mTcMAG3

C:99mTcMAA

D:81mKr

E:133Xe

答案:133Xe

Aperfusionlungscanshowsacolddefectintherightbase.Iftheventilationstudyforthesamepatientisnormal,whatisthemostprobableexplanationforthedefect?（）

A:pulmonaryembolism

B:pacemaker

C:attenuationfromtheheart

D:COPD

答案:pulmonaryembolism

Themostfrequentapplicationofthelungventilation/perfusion(V/Q)scanis:()

A:pulmonaryembolis

B:pneumonia

C:pulmonaryhypertension

D:bronchogeniccarcinoma

E:pulmonaryemphysema

答案:pulmonaryembolis

第九章單元測試

What’stheradiopharmaceuticalforhepatobiliaryscintigraphy?()

A:131I-MAG3

B:99mTc-EHIDA

C:99mTc-MIBI

D:99mTc-MAA

答案:99mTc-EHIDA

IDAistransportedacrosshepatocytesas（）

A:bilirubin

B:iron

C:RBC

D:kalium

答案:bilirubin

Inthenormalhepatobiliaryimaging,intestineactivityistypicallyseenby()

A:60minutes

B:15minutes

C:24h

D:1minute

答案:60minutes

what’stheclinicaluseofEctopicGastricmucosaimaging（）

A:Meckel'sdiverticulum

B:Barrett'sesophagus

C:Intestinalduplication

D:Alloftheabove

答案:Alloftheabove

Whichprocedureusing99mTcO4asradiopharmaceutical?()

A:EctopicGastricmucosaimaging

B:GIbleedingimaging

C:Liverstaticimaging

D:Hepatobiliaryscintigraphy

答案:EctopicGastricmucosaimaging

第十章單元測試

What’stheradiopharmaceuticalforrenogram?()

A:99mTc-MIBI

B:99mTc-MAA

C:99mTc-MDP

D:131I-MAG3

答案:131I-MAG3

Thestepwisedroptypeofrenogrammeans:（）.

A:Spasmodicureter

B:Renalarterystenosis

C:Urinaryobstructionwithrenalinsufficiency

D:Urinaryobsctuction

答案:Spasmodicureter

ThemeantimeofT1/2is()

A:6min

B:4min

C:3min

D:5min

答案:4min

Whichisnotthemajorgoalsintheuseofradioisotopesinstudiesofurinarysystem?（）

A:quantificationofrenalfunction,

B:dynamicimaging

C:makeaclearimageforanatomy

D:parenchymalscintigraphy.

答案:makeaclearimageforanatomy

Whatistherecommendedadultdoseforrenalstaticimaging?（）

A:5mCiof99Tcm-DMSA

B:10mCiof99Tcm-DMSA

C:5mCiof99mTcO4

D:10mCiof99mTcO4

答案:5mCiof99Tcm-DMSA

第十一章單元測試

What’stheradiopharmaceuticalbonemarrowimaging?()

A:99mTc-DMSA

B:99mTc-MDP

C:99mTc-DTPA

D:99mTc-SC

答案:99mTc-SC

Whatistherecommendedadultdoseforbonemarrowimaging?()

A:3-4mCiof99Tcm-SC

B:25-40mCiof99Tcm-SC

C:1-2mCiof99Tcm-SC

D:5-20mCiof99Tcm-SC

答案:5-20mCiof99Tcm-SC

Innormaladults,about()oftheinjectedactivitywillbedistributedintheREcellsofthemarrow.

A:15%

B:5%

C:20%

D:10%

答案:5%

Innormaladults,about____oftheinjectedactivitywillbewillbetakenupbytheliver.()

A:60%-65%

B:80%-85%

C:50%-55%

D:70%-75%

答案:80%-85%

Todiagnoseaplasticanemia,weusuallyuse()

A:tumorimaging

B:multiphasebonescanning

C:bonemarrowscintigraphy

D:delayedbonescanning

答案:bonemarrowscintigraphy

第十二章單元測試

What’stheradiopharmaceuticalfornuclearbonescintigraphy?()

A:99mTc-DTPA

B:99mTc-SC

C:99mTc-MDP

D:99mTc-DMSA

答案:99mTc-MDP

Whatistherecommendedadultdosefornuclearbonescintigraphy?()

A:10-15mCiof99Tcm-MDP

B:35-40mCiof99Tcm-MDP

C:20-30mCiof99Tcm-MDP

D:5-10mCiof99Tcm-MDP

答案:20-30mCiof99Tcm-MDP

Imagingtimeofbonescintigrahpyis()delayedafterintravenousinjection.

A:24hours

B:48hours

C:2-3hours

D:2-3minutes

答案:2-3hours

TheuptakeofMDPinbonescintigraphydependson（）.

A:RegionalBloodflow

B:RegionalBloodflorw

C:bonemetabolism

D:bonemeltabolism

答案:RegionalBloodflow

；bonemetabolism

Whichkindofimagingishighsensitivityandbutlowspecificformalignantbonedisease?()

A:bonescintigraphy

B:delayedbonescanning

C:tumorimaging

D:bonemarrowscintigraphy

答案:bonescintigraphy

第十三章單元測試

Bonemetastasiscanleadtovariouscomplications,including（）

A:Fractures

B:Bonepain

C:Hypercalcemia

D:Allabove

答案:Allabove

Whichoffollowingaretheindic