SPI ULTRA SOUND PHYSICS EXAM PACK|GUARANTEED SUCCESS

What are the units of Wavelength? millimeters What are the units of Frequency? Hertz What are the units of Intensity? Watts/cm 2 What are the units of propagation speed? meters/sec What are the units of period? second power watts Wavelength is determin...

What action below would be most in keeping with the ALARA principle while performing a diagnostic ultrasound examination? A: Allow multiple students to scan an obstetrical patient because the fetus is in a good position for imaging. B: Prolong the sonogram to make videos of the fetus for each fami...

mm, cm, inches, feet distance, circumference *length of a circles border" Length cm squared, ft squared cm2, ft2 Area cm cubed, ft cubed cm3, ft3 Volume increase by a factor of___ means Multipy by that number decrease by a factor of ____means Divide by that numbe...

The Doppler effect is observed as a change in ________ And has units of _________. A. Amplitude, Watts B. power, Watts C. frequency, per second D. wavelength, millimeters C. frequency, per second The Doppler effect is a change in a waves frequency when the sound source and the receiver of ...

SPL wavelength x # of cycles With phased array transducers, the transmitted sound beam is steered by Varying the timing of pulses to the individual piezoelectric elements What type of wave is sound? mechanical and longitudinal The Frequency ranges for Ultrasound are: > 20...

Sound waves are: Longitudinal, mechanical The speed of sound in soft tissue is: 1540 m/s The effects of soft tissue on ultrasound are called: Biologic effects What is the distance covered by one cycle? Wavelength What is determined by the sound source and medium? ran...