ARDMSgSPIgFINALgEXAMgPREPg 202
5
ARDMS SPI FINAL EXAM PREP 2025 STUDY
g g g g g g
QUESTIONS AND CORRECT ANSWERS GRADED
g g g g g
A+
Whengthegdirectiongofgthegwavegpropagationgisgparallelgtogthegparticlegmotiongofgtheg
medium,gthegwavegbeinggtransmittedgisgcalledga:
A) surfacegwave.
B) longitudinalgwave.
C) transversegwave.
D) non-lineargsound.
B) longitudinalgwave
Ifgthegsoundgbeamgattenuatedg6gdB,gwhatgwillghappengtogthegoverallgintensity?
A) Quadrupled
B) Doubled
C) Halved
D) Quartered
D)gQuartered
Frequencygincreasedgfromg3gMHzgtog6gMHz,gwhatgwillghappengtogwavelength?
,ARDMSgSPIgFINALgEXAMgPREPg 202
5
A) Doubled
B) Quadrupled
C) Halved
D) Quartered
C) Halved
Intensitygisgequalgto:
A) power/area
B) propagationgspeed/frequency
C) densitygxgpropagationgspeed
D) area/power
A) power/area
5. Whatgisgimportantgwhengselectinggagtransducergfrequency?
A) Depth
B) Power
C) Velocity
D) Propagationgspeed
A) Depth
,ARDMSgSPIgFINALgEXAMgPREPg 202
5
6. Frequencygisgagfactorgin:
A) impedance
B) tissuegattenuation
C) propagationgspeed
D) tissuegdensity
B) tissuegattenuation
7. Whichgmediumginterfacegwillghavegtheggreatestgsoundgtransmission?
A) Softgtissuegtogwater
B) Organgtogorgan
C) Bonegtogorgan
D) Lunggtogsoftgtissue
B)gOrgangtogorgan
8. Ifgtheregisgagsmallgimpedancegmismatchgbetweengtwogmediums,gwhatgwillgresult?
A) Theregwillgbegagsmallgreflection
B) Theregwillgbegaglargegreflection
C) Allgsoundgwillgtransmit
D) Nogsoundgwillgtransmit
A) Theregwillgbegagsmallgreflection
, ARDMSgSPIgFINALgEXAMgPREPg 202
5
9. WhichgpropertygofgsoundgisgmeasuredgingRayls?
A) Intensity
B) Impedance
C) Density
D) Propagationgspeed
B) Impedance
10. Ifgsoundgenergygisgreducedgbyg50%,ghowgmanygdecibelsgwereglost?
A) 6gdB
B) 3gdB
C) 0gdB
D) 10gdB
B)g3gdB
11. Togimprovegthegqualitygofgthegmotiongduringgangelectrocardiogram,gwhich
gresolutiongshouldgbegimproved?
A) Transversegresolution
B) Lateralgresolution
C) Axialgresolution
D) Temporalgresolution
5
ARDMS SPI FINAL EXAM PREP 2025 STUDY
g g g g g g
QUESTIONS AND CORRECT ANSWERS GRADED
g g g g g
A+
Whengthegdirectiongofgthegwavegpropagationgisgparallelgtogthegparticlegmotiongofgtheg
medium,gthegwavegbeinggtransmittedgisgcalledga:
A) surfacegwave.
B) longitudinalgwave.
C) transversegwave.
D) non-lineargsound.
B) longitudinalgwave
Ifgthegsoundgbeamgattenuatedg6gdB,gwhatgwillghappengtogthegoverallgintensity?
A) Quadrupled
B) Doubled
C) Halved
D) Quartered
D)gQuartered
Frequencygincreasedgfromg3gMHzgtog6gMHz,gwhatgwillghappengtogwavelength?
,ARDMSgSPIgFINALgEXAMgPREPg 202
5
A) Doubled
B) Quadrupled
C) Halved
D) Quartered
C) Halved
Intensitygisgequalgto:
A) power/area
B) propagationgspeed/frequency
C) densitygxgpropagationgspeed
D) area/power
A) power/area
5. Whatgisgimportantgwhengselectinggagtransducergfrequency?
A) Depth
B) Power
C) Velocity
D) Propagationgspeed
A) Depth
,ARDMSgSPIgFINALgEXAMgPREPg 202
5
6. Frequencygisgagfactorgin:
A) impedance
B) tissuegattenuation
C) propagationgspeed
D) tissuegdensity
B) tissuegattenuation
7. Whichgmediumginterfacegwillghavegtheggreatestgsoundgtransmission?
A) Softgtissuegtogwater
B) Organgtogorgan
C) Bonegtogorgan
D) Lunggtogsoftgtissue
B)gOrgangtogorgan
8. Ifgtheregisgagsmallgimpedancegmismatchgbetweengtwogmediums,gwhatgwillgresult?
A) Theregwillgbegagsmallgreflection
B) Theregwillgbegaglargegreflection
C) Allgsoundgwillgtransmit
D) Nogsoundgwillgtransmit
A) Theregwillgbegagsmallgreflection
, ARDMSgSPIgFINALgEXAMgPREPg 202
5
9. WhichgpropertygofgsoundgisgmeasuredgingRayls?
A) Intensity
B) Impedance
C) Density
D) Propagationgspeed
B) Impedance
10. Ifgsoundgenergygisgreducedgbyg50%,ghowgmanygdecibelsgwereglost?
A) 6gdB
B) 3gdB
C) 0gdB
D) 10gdB
B)g3gdB
11. Togimprovegthegqualitygofgthegmotiongduringgangelectrocardiogram,gwhich
gresolutiongshouldgbegimproved?
A) Transversegresolution
B) Lateralgresolution
C) Axialgresolution
D) Temporalgresolution
