Spi Exam - Questions & Solutions

What are the four acoustic variables: {Ans: 1. temperature, density, particle motion, pressure}The Doppler wall filter is considered a: {Ans: high pass filter}Clinical imaging transducers are: {Ans: wide bandwidth; low q factor}Frequency is {Ans: Cycles per second (Hz) not affected by sonographer increase frequency; decrease depth}Increasing wavelength will ___________ frequency. a. increase b. decrease c. not change d. cannot be predicted. {Ans: b. decrease}The wavelength of a 1MHz transducer is: {Ans: 1.54/1= 1.54mm}