ARDMS Sonography Principles and Instrumentation (SPI) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 745

The damping material in a transducer improves the system's longitudinal resolution. True or False?

True

The statement is false. Damping material in a transducer is used primarily to improve axial resolution rather than longitudinal resolution. Axial resolution refers to the ability to distinguish between two structures that are very close to each other along the direction of the sound beam, which is enhanced by the use of damping material. This material shortens the pulse duration by absorbing some of the energy from the emitted pulse, resulting in shorter, more defined ultrasound pulses.

In contrast, longitudinal resolution is not a term commonly used in the context of sonography; instead, the focus is on axial resolution. Therefore, while damping does contribute positively to the resolution capabilities of the system, it specifically aids in axial (or longitudinal) resolution rather than improving a distinctly different characteristic.

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False

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