UNDERSTANDING ULTRASOUND PHYSICS EDELMAN CH 2 EXAM QUESTIONS AND ANSWERS 100% PASS

UNDERSTANDING ULTRASOUND
PHYSICS EDELMAN CH 2 EXAM
QUESTIONS AND ANSWERS 100% PASS



Sound waves are - ANS mechanical and longitudinal


Acoustic propagation properties are... - ANS The effects of the medium upon the sound wave


Biologic effects are... - ANS The effects of the sound wave upon the tissue through which it
passes


What three acoustic variables are used to distinguish between sound waves and other types of
waves? - ANS Pressure (pascals Pa), density (kg/cm^3), distance (cm, feet, mile)


T or F? If one of the three acoustic variables (pressure density distance) has a rhythmic
oscillation, then the wave IS a sound wave. - ANS True


What seven acoustic parameters are used to accurately describe the characteristics of a sound
wave? - ANS Period (unit of time)
Frequency (hertz)
Amplitude (dB)
Power (watts)
Intensity (power/area or watts/cm^2)
Wavelength (unit of length)

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