ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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What is the name of the frequency used in tissue harmonics that is responsible for image production?

  1. Overall gain

  2. Fundamental frequency

  3. Harmonic frequency

  4. Spatial compounding

The correct answer is: Fundamental frequency

The frequency used in tissue harmonics that is responsible for image production is known as the fundamental frequency. This is because tissue harmonics creates a second harmonic signal by using sound waves at twice the frequency of the original signal, which results in a clearer and more precise image. Options A, C, and D are incorrect because they do not accurately describe the frequency used in tissue harmonics. Overall gain refers to the amplification of the signal, harmonic frequency refers to a multiple of the original frequency, and spatial compounding is a technique used to combine multiple images for a better final image.

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