The operating, main, or center frequency ____.

You are performing a sonographic exam with a wide-bandwidth transducer. The advantage you obtain with this transducer compared to narrow-band transducer is:

The ultrasound system in your lab has a transducer with a small footprint. This kind of transducer has the following disadvantage:

What determines the spatial pulse length?

CW transducer frequency is determined by:

If a disc-shaped element has a diameter of 1 mm, what is the beam width at the distance of 2 near-zone lengths?

Which of the following situations creates better axial resolution?

What is an advantage of pure wave crystal transducers or continuous wave transducer?

Which of the following scan formats produces images shaped like a slice of pie?

A person who believes that they can get what they want if they try hard enough is indicative of a _________ sense of personal control.