SPI Practice Test Questions and Answers (100% Pass) When the ELASTICITY of a
medium is HIGH, the _____ is HIGH
- stiffness
- prop. speed
- compressibility
- reflectivity
compressibility
What term describes the # of cycles that an acoustic variable completes in a
second?
- period
-...
Which of the following is NOT one of the physical processes that contributes to
attenuation of US waves passing through soft tissue?
- reflection
- redirection of sound in many directions
- focusing
- conversion of acoustic energy to heat
✓ focusing
According to AIUM, at which IN SITU tissue temp. is there danger to a fetus?
- 100 C
- 98.6 F
- 1 F over normal temp.
- 41 C
✓ 41 C
2 sound pulses travel through the SAME medium. One wave's freq. is 2 MHz
and the other 10 MHz.
Which pulse has a LOWER PROP. SPEED?
Master01 |Excellent Study Material| Latest update
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