Math it up
What is the equation for period
1/F
What is the relationship between PRF and PRP
Inverse relationship / reciprocals
What term is used to describe the effects of an ultrasound wave on living tissue?
Bioeffects
name the three acoustic variable?
Distance, Density, Pressure
Determines period
Machine
What is the reciprocal of 5?
1/5
What is the relationship between frequency and propagation speed
unrelated
All waves create this
Energy
Two types of waves
Longitudinal and transverse
Determines PRF
Depth and sound source
A sack contains 6 pounds of flour. The contents of the bag are increased by a factor of 5. How much flour is in the bag?
30lbs
What is the relationship between depth and PRF
Inverse
Two waves arrive at the same location and interfere. The resultant sound wave is smaller than either of the 2 original waves. What is this called?
Deconstructive interference
Does not require a medium
Electromagnetic
Determine propagation speed
Medium
A longitudinal wave propagates from east to west at a speed of 2 MPH. What is the direction of motion of the particles within the wave?
East to west
Which term is the reciprocal of mega?
micro
A pair of waves are in phase. What occurs when these waves interfere?
Constructive interference
Same as acoustic wave
Sound wave
Frequency
Sound Source
1052000000 converted to scientific notation
1.052 x 10^9
Two things associated so that when one increases the other increases
Directly Related
The time it takes from the beginning of one cycle to the beginning of the next cycle.
Period
What is the wavelength with a 1 MHz frequency in soft tissue
1.54mm
Which 3 ultrasound parameters can be adjusted by the sonographer
Amplitude, power, intensity