As frequency increases, penetration will 

What determines the frequency of the transducer?

Absorption refers to 

The ultrasound wave results in the transfer of which of the following through tissue? 

Which of the following has the highest sound velocity? 

Attenuation of an ultrasound beam can occur by 

Which ultrasound frequency is commonly used in the clinical setting? 

The type of compressional wave in which the particles move back and forth parallel to the direction of wave propagation is known as 

Scattering refers to

If frequency is reduced by a factor of two, the wavelength will