Chapter 17: SPI Study Guide

This is a creation of an image from sound reflections at twice the frequency of the transmitted sound.

• Harmonic imaging

• Fundamental frequency

• Contrast agents

• Nonlinear behavior

The frequency of sound created by the transducer and transmitted into the body

• Harmonic frequency

• Fundamental frequency

• Nonlinear behavior

• Contrast agents

True or False

Twice the fundamental frequency is also called the second harmonic frequency

• True

• False

Harmonic frequency sound waves arise from

• Linear behavior

• Nonlinear behavior

• Fundamental frequency

• Contrast agents

The image created by processing reflections that have the same frequency as the transmitted sound.

• Fundamental frequency

• Harmonic frequency

• Fundamental image

• Harmonic image

The image created by processing reflections that are twice the fundamental frequency

• Fundamental frequency

• Harmonic frequency

• Fundamental image

• Harmonic image

Two forms of harmonics are important in diagnostic sonographer, they are

• contrast agents

• tissue agents

• tissue harmonics

• contrast harmonics

What means proportional or symmetrical. It responds in an even manner.

• Linear Behavior

• Nonlinear Behavior

• Fundamental image

• Harmonic image

This means irregular or disproportionate. This system behaves unevenly.

• Linear behavior

• Nonlinear behavior

• Fundamental image

• Harmonic image

True or False

Harmonic frequency sound arises from nonlinear behavior

• True

• False