Exam 1: Introduction

Vertical parallel scan lines are seen with which transducer format?

Diagnostic ultrasound transducers generate a ________ of sound into the body.

The Doppler effect is caused by a difference in the depth of two moving objects.

The Doppler effect is a change in echo ________.

The location of each dot corresponds to the ________ of the echo to return.

Color Doppler imaging is superimposed on a gray-scale image.

Sonography is medical anatomic imaging using a ________ technique.

Three-dimensional imaging requires many adjacent tissue ________ to build the image.

The brightness of the dot corresponds to the ________ of the returning echo.

Sonographic images are composed of many ________.

Pulsed ultrasound transducers can generate only ultrasound pulses.

One pulse of ultrasound generates a single scan line as it travels through tissue.

A rectangular image display is seen when using a ________ transducer.

The method by which each pulse originates from the same starting point is called a ________ image.

A gray-scale ultrasound image is the visible counterpart of a/an ________.

Quantitative data are determined by which Doppler display?

Doppler ultrasound measures the movement of ________.

Animals have applied ultrasound to detect and capture prey.

Echoes produced by ________ objects have different ________ than the pulses sent into the body.

A ________ scan is shaped like a slice of pie.