Exam 3: Transducers

The transducer element converts _________ to _______ and vice versa.

Various formulations of lead zirconate titanate are commonly used in modern day transducers.

Increasing the transducer frequency decreases the ________.

Multi-Hertz transducers are driven at only one selectable frequency.

Wide bandwidth allows harmonic imaging.

Which of the following is achieved within the Fresnel zone?

Partial-volume artifact is also called ____________.

Even unfocused transducers have a natural focus.

Sequenced,phased,and vector are types of ________.

Arrays are operated in two ways,called ___________ and ___________.

Contrast and temporal resolution relate more directly to the transducer.

Which of the following is attached to the rear face of the transducer element?

The linear image consists of _______ scan lines.

The thicker the section thickness,the less its negative impact on sonographic images.

Shortening the pulses in diagnostic ultrasound broadens the ______________.

Intensity is uniform throughout the beam.

The near-zone length decreases with an increase in frequency.

The three aspects to imaging resolution are contrast,temporal,and ________ resolution.

Another name for the Fresnel zone is ________________.

Ceramics used as materials in the production of modern ultrasound transducer elements are naturally piezoelectric.