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Edelman Understanding Ultrasound Physics Exam Review | Questions and Correct Answers

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Edelman Understanding Ultrasound Physics Exam Review | Questions and Correct Answers

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Edelman Understanding Ultrasound
Physics Exam Review | Questions and
Correct Answers 2025/2026
Asiaipulseipassesithroughisoftitissue,iaicertainiamountiofiacousticienergyiremainsiinitheitissueiasiheat.iWha
tiisithisiconstituentiofiattenuationicalled?

a. Scattering

b. Absorption

c. Refraction

d. Rarefaction

Absorption




Whatiisitheiamountiofiattenuationipericentimeterithatiaisoundiwaveiundergoesicalled?

a. Beamiuniformityicoefficient

b. Attenuationicoefficient

c. Attenuation

d. Dutyifactor

Attenuationicoefficient




Aisoundibeamitravelsi9icmiinisoftitissue.iTheiattenuationicoefficientiisi3idB/
cm.iWhatiisitheitotaliattenuationithatitheisoundibeamiexperienced?

a. 9idB

b. 3idB

c. 27idB

d. 18idB

27idB

,Theiattenuationiofianiacousticiwaveitravelingithroughiboneiisi

itsiattenuationithroughisoftitissue.

a. Greaterithan

b. Lessithan

c. Equalito

Greaterithan




Ultrasoundiwavesitravelingithroughilungitissueiattenuateitoiai

extentithaniwhenitravelingithroughisoftitissue.

a. Greater

b. Lesser

c. Nearlyiequal

Greater




Sounditravelingithroughibloodiattenuatesitoiai extentithaniwhenitravelingithroughisoftitissue.

a. Greater

b. Lesser

c. Relativelyiequal

Lesser




Whichiofitheseilistsiindicatesimediaiwithiincreasingiattenuationiofiultrasound?

a. Water,ilung,isoftitissue,ibone,iair

b. Lung,iwair,isoftitissue,ibone

c. Lung,ifat,imuscle

d. Water,iblood,ifat,imuscle,ibone,iair

,Water,iblood,ifat,imuscle,ibone,iair




Trueiorifalse?iAttenuationiandipropagationispeediareiunrelated.

True




Acousticiimpedanceiisiaipropertyiofi andihasiunitsiofi .

a. Sourceiandimedium,ilumps

b. Medium,idB

c. Medium,iRayls

d. Medium,iOhms

Medium,iRayls




Toicalculateitheiacousticiimpedanceiofiaimedium,ioneishouldi thei byithe
.

a. Divide,ipropagationispeed,idensity

b. Multiple,idensity,ipropagationispeed

c. Divide,idensity,ipropagationispeed

d. Multiply,istiffness,idensity

Multiply,idensity,ipropagationispeed




Whichitwoiattributesihelpiestablishitheiacousticiimpedanceiofiaimedium?

a. Densityianditemperature

b. Densityiandistiffness

c. Stiffnessiandielastance

d. Elasticityiandicompressibility

, Densityiandistiffness




Whichivalueiisiclosestitoitheiimpedanceiofisoftitissue?

a. 1.5ikiloRayls

b. 2.5ideciRayls

c. 19imegaRayls

d. 2,000,000iRayls

2,000,000iRayls




Whichiofitheifollowingidescribesianiangleiwithiaimeasureiofi45idegrees?

a. Orthogonal

b. Acute

c. Obtuse

d. Normal

Acute




Whichiofitheifollowingidescribesianiangleiwithiaimeasureiofi123idegrees?

a. Orthogonal

b. Acute

c. Obtuse

d. Normal

Obtuse




Theiangleibetweenitheidirectioniofipropagationianditheiboundaryibetweenitwoimediaiisi90idegrees.iWhati
termidescribesitheiformiofiincidenceiofitheiwave?

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