f f f f f
SUMMER STUDY QUESTIONS AND CORRECT AN
f f f f f
SWERS GRADED A+ f f
Examplefoffnonspecularfreflectorfre
dfbloodfcells
Whatfhappensftofspatialfpulseflengthfwhenffrequencyfincreases?fdecr
eases
Axialfresolutionfisfdependentfon?fw
avelength
Lateralfresolutionfisfdependentfon?f
beamfdiameter
Wherefdoesfthefbeamfoffanfunfocusedftransducerfdiverge?fFraunhofe
rfzone
,Reverberationfartifactsfarefafresultfofftw
oforfmorefstrongfreflectingfsurfaces
True/False:fGratingflobesfarefessentialfforfthefproperfoperationfoffaflinearfphasedfarray.fF
alse
True/False:fElectronicallyfsteeredfscannersfalwaysfproducefhigherfresolutionfimagesfthanfdofmechanically
fsteeredfscanners.
False
True/False:fAnfannularfarrayfscannerfusesfmechanicalfbeamfsteering.fT
rue
True/False:fAflinearfsequencedfarrayfcannotfbefdynamicallyffocused.
False
registrationforfB-modefalignment
WhichfAIUMftestfobjectffunctionfutilizesfallfthefgroupsfoffwiresfinfthefAIUMf100fmmftestfobject?
axialfresolution
,WhichfAIUMftestfobjectffunctionfutilizesfthefAfgroupfoffwiresfinfthefAIUMf100fmmftestfobject?
lateralfresolution
WhichfAIUMftestfobjectffunctionfutilizesfthefBfgroupfoffwiresfinfthefAIUMf100fmmftestfobject?
deadfzone
WhichfAIUMftestfobjectffunctionfutilizesfthefDfgroupfoffwiresfinfthefAIUMf100fmmftestfobject?
depthfcalibration
WhichfAIUMftestfobjectffunctionfutilizesfthefCforfEfgroupsfoffwiresfinfthefAIUMf100fmmftestfobject?
Whatfhappensftofaxialfresolutionfwhenfspatialfpulseflengthfisfdecreased?fimp
roves
Howfmuchfwillfaf3.5fMHzfpulsefbefattenuatedfafterfpassingfthroughf2fcmfoffsoftftissue?
3.5fdB
Propagationfspeedferrorsfresultfinfi
mproperfaxialfposition
, Enhancementfisfcausedfbyfweakl
yfattenuatingfstructures
ThefDopplerfshiftffrequencyfis
directlyfproportionalftofthefvelocityfoffthefreflector
Thefnumberfoffframesfperfsecondfnecessaryfforfafreal-
timefimageftofbefflickerffreefisfmorefthanf15
True/False:fThefSPTAfintensityfwillfalwaysfbeflargerfthanfthefSATAfintensity.fT
rue
Thefintensityfoffthefultrasoundfbeamfisfusuallyfgreaterfatftheffocalfzonefbecausefofft
hefsmallerfbeamfdiameter
Iffthefamplitudefisfdoubled,fthefintensityfisfqu
adrupled