SPI Edelman - Chapter 20: Image
Characteristics & Artifacts Exam Questions
And Answers
*__________ describes portions of an image that are brighter than
surrounding tissues, or tissues that appear brighter than normal -
correct answer ✅hyperechoic
*__________ is background color (too few reflections on the scan) -
correct answer ✅shadowing
*__________ results from too much attenuation in structure above
the shadow -
correct answer ✅shadowing
*__________ causes an absence of true anatomy on scan in the
region of shadow -
correct answer ✅shadowing
*Edge shadow or Shadowing by Refraction is eliminated by
__________ -
correct answer ✅spatial compounding
, SPI Edelman - Chapter 20: Image
Characteristics & Artifacts Exam Questions
And Answers
*__________ is hyperechoic, foreground color (brighter echoes on
the scan), beneath the structure with reduced attenuation -
correct answer ✅enhancement
*Ultrasound systems assume that sound travels __________ to a
reflector and back to the transducer -
correct answer ✅directly
*With mirror image, the artifact will be located __________ than
the true reflector -
correct answer ✅deeper
*Propagation speed errors appear as a __________ -
correct answer ✅step-off, split or cut
*Sound travels __________ than 1,540 m/s in fat. Therefore,
reflectors beneath fat may be placed too __________ on the
display -
correct answer ✅slower
deep
Characteristics & Artifacts Exam Questions
And Answers
*__________ describes portions of an image that are brighter than
surrounding tissues, or tissues that appear brighter than normal -
correct answer ✅hyperechoic
*__________ is background color (too few reflections on the scan) -
correct answer ✅shadowing
*__________ results from too much attenuation in structure above
the shadow -
correct answer ✅shadowing
*__________ causes an absence of true anatomy on scan in the
region of shadow -
correct answer ✅shadowing
*Edge shadow or Shadowing by Refraction is eliminated by
__________ -
correct answer ✅spatial compounding
, SPI Edelman - Chapter 20: Image
Characteristics & Artifacts Exam Questions
And Answers
*__________ is hyperechoic, foreground color (brighter echoes on
the scan), beneath the structure with reduced attenuation -
correct answer ✅enhancement
*Ultrasound systems assume that sound travels __________ to a
reflector and back to the transducer -
correct answer ✅directly
*With mirror image, the artifact will be located __________ than
the true reflector -
correct answer ✅deeper
*Propagation speed errors appear as a __________ -
correct answer ✅step-off, split or cut
*Sound travels __________ than 1,540 m/s in fat. Therefore,
reflectors beneath fat may be placed too __________ on the
display -
correct answer ✅slower
deep
