SPI MOCK EXAM QUESTIONS & VERIFIED CORRECT ANSWERS PASSED

SPI MOCK EXAM QUESTIONS &
VERIFIED CORRECT ANSWERS
PASSED

When the ELASTICITY of a medium is HIGH, the _____ is HIGH



- stiffness

- prop. speed

- compressibility

- reflectivity Correct Answer - compressibility



What term describes the # of cycles that an acoustic variable completes in a second?



- period

- freq.

- PRP

- variable rate Correct Answer - freq.



What happens to venous flow return to the HEART when a person INHALES? Correct Answer -
increases



What establishes the freq. of an US wave?



- transducer

- medium through which sound travels

, - both

- neither Correct Answer - transducer



Which of the following tasks is NOT performed by the receiver of an US sx?



- rectification

- smoothing

- compression

- degaussing Correct Answer - degaussing



Which of the following is NOT a potential mechanism for the production of bioeffects from US
exposure to the body?



- temp. elevation

- fractionation

- cavitation

- vibration Correct Answer - fractionation



Which of the following terms does NOT belong with the others?



- increased DOV

- increased DF

- increased PRP

- decreased PRF Correct Answer - increased DF



Which of the following is NOT one of the physical processes that contributes to attenuation of
US waves passing through soft tissue?