核医学智慧树知到课后章节答案2023年下温州医科大学

核医学智慧树知到课后章节答案2023年下温州医科大学温州医科大学

第一章测试

Whatistherelationshipbetween123Iand124I?()

A:Element

B:Nuclide

C:Isomer

D:Isotope

答案:Isotope

AnuclidehasthesameN,Zandenergystate.（）

A:错B:对

答案:对

WhenTcmdecayintoTc,themassischanged.（）

A:错B:对

答案:错

Atomicnucleiarespontaneouslyaffectedbyexternalinfluences，suchastemperature,pressure,electromagneticfields.()

A:对B:错

答案:错

whichisnottrue

forGammadecay?()

A:99mTcdecaysinto99Tcisatypeofgammadecay.

B:Themassnumberisnotchanged.

C:Itisatypeofelectromagneticradiation.

D:Theatomicnumberischanged.

答案:Theatomicnumberischanged.

第二章测试

Whatpartofanimagingsystememitslightwhenithasabsorbedaphoton?（）

A:Collimator

B:scintillationcrystal

C:pulseheightanalyzer

D:photomultipliertube

答案:scintillationcrystal

Whathappenstoimagesizeasthedistancebetweenapatientandaparallelholecollimatordecreases?（）

A:improves

B:doesnotchange

C:worsens

答案:doesnotchange

TheimagesacquiredasaSPECTcamerarotatesaround

apatientarecalled:（）

A:azimuthstops

B:reconstructions

C:arcs

D:projections

答案:projections

Mostofthephotonsemittedfromtheradiopharmaceuticalwhichhasbeenadministeredtoapatient:（）

A:areconvertedtoavoltagesignal

B:bandc

C:aandb

D:arereceivedbythesodiumiodidecrystal

E:donotcontributetothefinalimage

答案:donotcontributetothefinalimage

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

A:decoupledphotomultipliertube

B:collimatordefect

C:improperenergypeaking

D:subtlecrystalcrack

答案:decoupledphotomultipliertube

第三章测试

MostradionuclidesusedinPETscanningareCyclotron-produced,suchas18Fand11C.()

A:对B:错

答案:对

WhatisT1/2of99Mo?()

A:66h

B:66d

C:6.6d

D:6.6h

答案:66h

Whatisenergyof99mTc?()

A:364Kev

B:140Kev

C:511Kev

D:140Mev

答案:140Kev

99mTcisthemostcommonlyusedforPETimaging.()

A:对B:错

答案:错

131Iisby-productofthefissionof235U.()

A:对B:错

答案:对

第四章测试

Whichofthefollowingisnotafreeradicalproducedbywaterionization?()

A:OH

B:H

C:H2O2

D:H2O

答案:H2O

Directradioationeffectresultsfromadirectphysicalenergyexchangebetweentheionizingphotonandtheaffectedmolecule.(）

A:对B:错

答案:对

Betaparticleshasstrongerbiologicaleffectsduringinternalirradiationthanalfarays.（）

A:对B:错

答案:错

whichishighsensitivitytissueexcept()

A:theLymphoidtissue

B:theskeleton

C:theredmarrow

D:thegastrointestinaltract

答案:theskeleton

Wearereceivingradiationeveryday.()

A:对B:错

答案:对

第五章测试

Theblood-brainbarrieris:（）

A:ananatomicandphysiologicalconcept

B:composedoffourcelllayers

C:responsibleforactivetumorgrowth

D:visibleonallbrainimages

答案:ananatomicandphysiologicalconcept

WhichofthefollowingradiopharmaceuticalsisNOTbasedondetectingacompromisedblood-brainbarrier?（）

A:99mTcHMPAO

B:99mTcpertechnatate

C:99mTcGH

D:201TI

E:99mTcDTPA

答案:99mTcHMPAO

IndicationsforSPECTperfusionimagingincludeallofthefollowingEXCEPT:（）

A:evaluationofcerebrovasculardiseases

B:localizationofseizurefoci

C:evaluationofheadtrauma

D:pituitarymicroadenoma

答案:pituitarymicroadenoma

Whichdosecouldbeusedfor99mTcECDor99mTcHMPAOforSPECTbrainimaging?（）

A:20mCi

B:2–5mCi

C:7–10mCi

D:5–7mCi

答案:20mCi

5TheimagesobtainedwithaPETstudyusing18FDGcanbestbedescribedas:（）

A:metabolic

B:Dynamic

C:perfusion

D:anatomical

答案:metabolic

第六章测试

WhatistheradiopharmaceuticalofRAIU?()

A:18F

B:99mTc

C:125I

D:131I

答案:131I

WhichisnottrueforRAIU?()

A:Nolevothyroxinetherapywithin4-6weeks.

B:Noneedtobaniodinediet.

C:Noantithyroiddrugsfor1to2week.

D:Nobreakfastonthefistdayofthestuys.

答案:Noneedtobaniodinediet.

Therateoftaking131Iduringtherecoveryperiodofthyroiditiscanbenormalorincreased.()

A:对B:错

答案:对

Whichisnottrueforacutethyroiditis?()

A:Thepatientisinastateofthyrotoxicosis.

B:RAIUisincrease.

C:Itisbelievedtobeaviralinfection.

D:Itisdividedintofourstages.

答案:RAIUisincrease.

Parathyroidimagingexaminationdoesnotinclude（）

A:X-ray

B:CT

C:SPECT

D:Ultrasound

答案:X-ray

第七章测试

Thecoronaryarterycirculationreceivesapproximately____%ofthecardiacoutputoftheheart.（）

A:4-5

B:25

C:20

D:10

答案:4-5

Thebestimagingperiodfortheevaluationofacutemyocardialinfarctswith99mTc-PYPis___postinfarction.（）

A:5-7days

B:1-5days

C:0-24hours

D:24-72hours

答案:24-72hours

whichofthefollowingradiopharmaceuticalsisnotusedtoperformmyocardialperfusionimaging?（）

A:111Inoxine

B:99mTcsestimibi

C:99mTcteboroxime

D:201TlCl

答案:111Inoxine

Whichofthefollowingcannotbeevaluatedbyradionuclideventriculography?（）

A:wallmotion

Bwallthickness

B:aneurysmalflow

C:conductionabnormalities

答案:aneurysmalflow

Falsenegativestressmyocardialperfusionstudiesareusuallycausedby:（）

A:electrocardiogramleads

B:failureofthemyocardiumtoextract201Tlchloridefromthebloodstream

C:failureofthepatienttoreachmaximalstress

D:thalliumcontainedintoolargeavolume

答案:failureofthepatienttoreachmaximalstress

第八章测试

Ingeneralhowmanycapillariesareblockedwhenaperfusionlungscanusing99mTcisperformed?（）

A:fewerthan1in1000

B:bothaandb

C:＜0.1%

D:noneoftheabove

答案:fewerthan1in1000

Duringalungperfusionstudy,activityisnotedintheheadandintheareaofthekidneys.Thisrepresents:（）

A:incorrectparticlesize

B:freetechnetiumintheMAA

C:probablemetastases

D:righttoleftshunt

答案:righttoleftshunt

WhichradiopharmaceuticalwillbemostusefulindetectingdelayedwashoutinapatientwithCOPD?（）

A:99mTcDTPA

B:99mTcMAA

C:81mKr

D:133Xe

E:99mTcMAG3

答案:133Xe

Aperfusionlungscanshowsacolddefectintherightbase.Iftheventilationstudyforthesamepatientisnormal,whatisthemostprobableexplanationforthedefect?（）

A:attenuationfromtheheart

B:pulmonaryembolism

C:pacemaker

D:COPD

答案:pulmonaryembolism

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

A:pulmonaryhypertension

B:bronchogeniccarcinoma

C:pneumonia

D:pulmonaryembolis

E:pulmonaryemphysema

答案:pulmonaryembolis

第九章测试

What’stheradiopharmaceuticalforhepatobiliaryscintigraphy?()

A:131I-MAG3

B:99mTc-MAA

C:99mTc-EHIDA

D:99mTc-MIBI

答案:99mTc-EHIDA

IDAistransportedacrosshepatocytesas（）

A:kalium

B:iron

C:bilirubin

D:RBC

答案:bilirubin

Inthenormalhepatobiliaryimaging,intestineactivityistypicallyseenby()

A:60minutes

B:1minute

C:24h

D:15minutes

答案:60minutes

Whichprocedureusing99mTcO4asradiopharmaceutical?()

A:Hepatobiliaryscintigraphy

B:Liverstaticimaging

C:GIbleedingimaging

D:EctopicGastricmucosaimaging

答案:EctopicGastricmucosaimaging

第十章测试

What’stheradiopharmaceuticalforrenogram?()

A:99mTc-MIBI

B:99mTc-MDP

C:99mTc-MAA

D:131I-MAG3

答案:131I-MAG3

Thestepwisedroptypeofrenogrammeans:（）.

A:Spasmodicureter

B:Urinaryobstructionwithrenalinsufficiency

C:Urinaryobsctuction

D:Renalarterystenosis

答案:Spasmodicureter

ThemeantimeofT1/2is()

A:3min

B:4min

C:5min

D:6min

答案:4min

Whichisnotthemajorgoalsintheuseofradioisotopesinstudiesofurinarysystem?（）

A:parenchymalscintigraphy.

B:makeaclearimageforanatomy

C:quantificationofrenalfunction,

D:dynamicimaging

答案:makeaclearimageforanatomy

Whatistherecommendedadultdoseforrenalstaticimaging?（）

A:10mCiof99mTcO4

B:5mCiof99mTcO4

C:5mCiof99Tcm-DMSA

D:10mCiof99Tcm-DMSA

答案:5mCiof99Tcm-DMSA

第十一章测试

What’stheradiopharmaceuticalbonemarrowimaging?()

A:99mTc-DMSA

B:99mTc-SC

C:99mTc-MDP

D:99mTc-DTPA

答案:99mTc-SC

Whatistherecommendedadultdoseforbonemarrowimaging?()

A:25-40mCiof99Tcm-SC

B:3-4mCiof99Tcm-SC

C:5-20mCiof99Tcm-SC

D:1-2mCiof99Tcm-SC

答案:5-20mCiof99Tcm-SC

Innormaladults,about()oftheinjectedactivitywillbedistributedintheREcellsofthemarrow.

A:20%

B:15%

C:5%

D:10%

答案:5%

Innormaladults,about____oftheinjectedactivitywillbewillbetakenupbytheliver.()

A:60%-65%

B:80%-85%

C:70%-75%

D:50%-55%

答案:80%-85%

Todiagnoseaplasticanemia,weusuallyuse()

A:delayedbonescanning

B:multiphasebonescanning

C:tumorimaging

D:bonemarrowscintigraphy

答案:bonemarrowscintigraphy

第十二章测试

What’stheradiopharmaceuticalfornuclearbonescintigraphy?()

A:99mTc-MDP

B:99mTc-SC

C:99mTc-DMSA

D:99mTc-DTPA

答案:99mTc-MDP

Whatistherecommendedadultdosefornuclearbonescintigraphy?()

A:20-30mCiof99Tcm-MDP

B:35-40mCiof99Tcm-MDP

C:5-10mCiof99Tcm-MDP

D:10-15mCiof99Tcm-MDP

答案:20-30mCiof99Tcm-MDP

Imagingtimeofbonescintigrahpyis()delayedafterintravenousinjection.

A:24hours

B:2-3minutes

C:2-3hours

D:48hours

答案:2-3hours

TheuptakeofMDPinbonescintigraphydependson（）.

A:RegionalBloodflow

B:RegionalBloodflorw

C:bonemetabolism

D:bonemeltabolism

答案:RegionalBloodflow

;bonemetabolism

Whichkindofimagingishighsensitivityandbutlowspecificformalignantbonedisease?()

A:delayedbonescanning

B:tumorimaging

C:bonescintigraphy

D:bonemarrowscintigraphy

答案:bonescintigraphy

第十三章测试

Bonemetastasiscanleadtovariouscomplications,including（）

A:Hypercalcemia

B:Fractures

C:Allabove

D:Bonepain

答案:Allabove

Whichoffollowingaretheindicationsexcept(