The maximum imaging depth (depth of view) during an ultrasound exam is 10 cm. The sonographer adjusts the imaging depth to 20 cm. What happens to pulse repetition period? 

If the PRF of a transducer is increased, then the frequency of sound produced by the transducer remain the same.

Which of the following is associated with a broader bandwidth?

For pulsed wave transducers two characteristics of the active element combine to determine the frequency of sound are:  (multiple answers)

The matching layer

A sound wave with an intensity of 50 W/cm2 strikes a boundary and is totally refelcted. What is the intensity reflection coefficient?

When researching the biological effects of diagnostic ultrasound, which intensity is most commonly used? 

What is the equation for acoustic impedance?

Overall compensation gain is set at 36dB.  If the gain is reduced by one half, what will the new gain be?

Weakening of a sound wave as it travels through a medium defines: