ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the ARDMS Exam with our comprehensive quiz platform. Test your knowledge using flashcards and multiple-choice questions, complete with hints and detailed explanations. Get ready to ace your diagnostic medical sonography certification!

Start Multiple Choice Practice Test
Start Flash Cards

Practice this question and more.

What is the name of the approach to image production in which the reflected ultrasound beam is averaged among multiple frequencies to lessen the effects of noise and speckle in the image?

  1. Frequency compounding

  2. Frequency compounding

  3. Spatial compounding

  4. Temporal compounding

The correct answer is: Spatial compounding

Spatial compounding is the approach to image production in which the reflected ultrasound beam is averaged among multiple frequencies to lessen the effects of noise and speckle in the image. This is different from the other options because frequency compounding refers to averaging the same ultrasound beam at different angles or incidences, and temporal compounding refers to averaging the same ultrasound beam over time. These techniques are used to reduce artifacts and improve image quality, but they focus on different aspects of the ultrasound beam. In contrast, spatial compounding specifically addresses the issue of noise and speckle by averaging multiple frequency components of the ultrasound beam to create a more accurate and clear image. Therefore, spatial compounding is the most suitable technique for improving image quality in the presence of noise and speckle.

More Questions Like This