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Файл:Ординатура / Хирургия / Библиотека им академика М.И. Перельмана / Книга_5775_Библиотеки_им_академика_М_И_Перельмана
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A.Metastaticdiseasefromthyroidcancer
B.Carotidarterydissection
C.Ectaticinnominate/proximalcommoncarotidartery
D.Carotidbodyparaganglioma
E.Largepartiallythrombosedcarotidarteryaneurysmcausingseverestenosis
31.Whichofthefollowingwillnotaffectthecalculationofresistiveindex?
A.Dopplerangle

B.Peaksystolicvelocity
C.End-diastolicvelocity
D.Absenceofdiastolicflow
32.SelectedcolorandduplexDopplerimagesofalivertransplantareprovided.Whatothersonographic
findingswouldsupportthediagnosisshownintheimage?
A.Increasedechogenicityoftheportaltriads
B.Parvus–tarduswaveformoftheintrahepaticarteries
C.ThrombusintheIVCpiggybackanastomosis
D.Dilationoftheportalveinintheportahepatis
E.Lackofflowintherightandleftportalveins
33.Changingthe“Dopplerscale”ontheultrasoundmachineresultsinchangeinwhichofthefollowing?
A.Gain
B.Fieldofview
C.Dopplerangle
D.Pulserepetitionfrequency
34.WhichoneofthefollowingwillimproveDopplersensitivity?
A.Increasingwallfilter
B.Decreasinggain
C.IncreasingDopplerangle
D.DecreasingDopplerscale
35.Toavoidaliasingartifacts,thepulserepetitionfrequency(PRF)mustbe:
A.AtleasttwotimesthehighestDopplerfrequencyshift

B.SameasthehighestDopplerfrequencyshift
C.AtleasthalfofthehighestDopplerfrequencyshift
D.AtleastaquarterofthehighestDopplerfrequencyshift
36.Wheredoeslaminarflowoccurinbloodvessels?
A.Inthecenteroflargesmoothvessels
B.Intheperipheryoflargesmoothvessels
C.Atthebifurcationoflargesmoothvessels
D.Atsitesofstenosisinlargesmoothvessels
37. A 30-year-old male patient with left calf pain and swelling underwent lower extremity venous
ultrasoundimaging.Gray-scaleimageswithout(left)andwithcompression(right)areshown.Colorand
spectralDopplerimagesarealsoshown.Whatisthemostlikelydiagnosis?




A.Acutepoplitealveinthrombosis
B.Chronicpoplitealveinthrombosis
C.Normalstudy
D.Poplitealarteryaneurysm
38.WhatistherangeforthepreferredDopplerangle?
A.0to30degrees
B.30to60degrees
C.60to90degrees
D.90to120degrees
39.Whatisthetermdescribingthegeneration,growth,vibration,andpossiblecollapseofmicrobubbles

withintissueasaresultofultrasoundpressurewaves?
A.Cavitation
B.Thermalbioeffect
C.Ring-downartifact
D.Scatter
40a.A48-year-oldfemalecomplainsofabdominalpain4daysfollowingrighthepatictrisegmentectomy
(removal of the right hepatic lobe and medial segment of the left hepatic lobe) for excision of liver
metastases. Spectral Dopplersonography oftherightupperquadrant was performed. What is themost
likelyexplanationofthesefindings?
A.High-gradestrictureofthelefthepaticartery
B.Formationofarteriovenousfistula
C.Pseudoaneurysmofthelefthepaticartery
D.Expectedpostsurgicalappearanceoflefthepaticartery
40b.WhichofthefollowingartifactsisshowninthiscolorDopplerimageofthelefthepaticlobeinthe
samepatient?
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