Which term describes a transducer containing multiple active elements?

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Prepare for the Edelmen's Sonography Principles and Instrumentation (SPI) Exam. Enhance your understanding with a range of multiple-choice questions and detailed explanations. Equip yourself confidently for your certification journey!

Multiple Choice

Which term describes a transducer containing multiple active elements?

Explanation:
A transducer with multiple active elements is called an array. Having many elements allows the beam to be shaped and steered electronically by controlling the timing and excitation of each element, enabling different imaging geometries without moving the transducer. A mechanical transducer uses a single element that is physically moved to sweep the beam, not multiple elements. An annular array is a type of array with concentric rings, and multipurpose isn’t a standard term used to describe a transducer’s element count.

A transducer with multiple active elements is called an array. Having many elements allows the beam to be shaped and steered electronically by controlling the timing and excitation of each element, enabling different imaging geometries without moving the transducer. A mechanical transducer uses a single element that is physically moved to sweep the beam, not multiple elements. An annular array is a type of array with concentric rings, and multipurpose isn’t a standard term used to describe a transducer’s element count.

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