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2024 SPI MOCK EXAM WITH CORRECT ANSWERS
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2024 SPI MOCK EXAM WITH CORRECT ANSWERS
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2024 SPI MOCK EXAM WITHCORRECT ANSWERS
When the ELASTICITY of a medium is HIGH, the _____ is HIGH
- stiffness
- prop. speed
- compressibility
- reflectivity - CORRECT-ANSWERScompressibility
What term describes the # of cycles that an acoustic variable completes in a
second?
- period
- freq.
- PRP
- variable rate - CORRECT-ANSWERSfreq.
What is the SMALLEST part of a DIGITAL picture called?
- bit
- byte
- pixel
- fractal - CORRECT-ANSWERSpixel
SPL is _________ related to PD - CORRECT-ANSWERSdirectly
AXIAL resolution is determined by
- mult. reflections
- beam width
- attenuation
- SPL - CORRECT-ANSWERSSPL
What happens to the DIAPHRAGM when a person INHALES?
- ascends into the thorax
- descends into the abd - CORRECT-ANSWERSdescends into the abd
2 sound pulses travel through the SAME medium. One wave's freq. is 2 MHz
and the other 10 MHz.
Which pulse has a LONGER SPL?
, - 2 MHz
- 10 MHz
- neither
- cannot be determined - CORRECT-ANSWERScannot be determined
A TRAPEZOIDAL image shape is produced which is flat at the top and
becomes progressively wider at increasing depths.
Which transducer produces this?
- mechanical
- annular phased array
- linear phased array
- vector array - CORRECT-ANSWERSvector array
US is defined as a sound with a freq. of ______________
- > 20,000 kHz
- < 1 kHz -
- > 10 MHz
- > 0.02 MHz - CORRECT-ANSWERS> 0.02 MHz
What is the best estimate of the distance that sound can travel in soft tissue
in one second?
- 1 yard
- 100 yards
- 1 mile
- 10 miles - CORRECT-ANSWERS1 mile
Which is considered the MOST IMPORTANT for the sonographer in regards to
bioeffects?
- PRF
- freq.
- duration of the study
- imaging mode - CORRECT-ANSWERSduration of the study
An US pulse has a PRP of 1.2 msec, a SPL of 2.0 mm, and a WL of 0.4 mm.
What is the AXIAL resolution of the sx?
- 2.0 mm
- 1.0 mm
- 0.4 mm
- 1.8 mm - CORRECT-ANSWERS1.0 mm
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