You are using a 5 MHz, 40 mm linear array transducer to image a structure. What is the width of the image?

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Prepare for the Ultrasound Transducers Test with flashcards and multiple-choice questions. Each question includes hints and explanations to help you pass with confidence.

Multiple Choice

You are using a 5 MHz, 40 mm linear array transducer to image a structure. What is the width of the image?

Explanation:
In ultrasound, the width of a linear-array image is determined by the physical width of the transducer’s active aperture. The frequency affects resolution and penetration, not how wide the image appears. So with a 40 mm wide array, the lateral field of view—and thus the image width—is about 40 mm. The other options would require a different transducer aperture or zoom, which isn’t specified here.

In ultrasound, the width of a linear-array image is determined by the physical width of the transducer’s active aperture. The frequency affects resolution and penetration, not how wide the image appears. So with a 40 mm wide array, the lateral field of view—and thus the image width—is about 40 mm. The other options would require a different transducer aperture or zoom, which isn’t specified here.

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