Question 1

Vertical parallel scan lines are seen with which transducer format?

Accepted Answer

A)  vector. 
B)  convex. 
C)  linear. 
D)  curvilinear. C

Question 2

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

Accepted Answer

A)  wave 
B)  pulse 
C)  frequency 
D)  Doppler B

Question 3

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

Accepted Answer

A) True 
 B)False  False

Question 4

The Doppler effect is a change in echo ________.

Accepted Answer

A)  frequency 
B)  strength 
C)  amplitude 
D)  direction

Question 5

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

Accepted Answer

A)  strength 
B)  time 
C)  pulse 
D)  frequency

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Sonography is medical anatomic imaging using a ________ technique.

Accepted Answer

A)  starting point 
B)  pulse echo 
C)  vertical parallel 
D)  transducer instrument

Question 8

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

Accepted Answer

A)  moving objects 
B)  frequency shifts 
C)  cross-sections 
D)  ultrasound pulses

Question 9

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

Accepted Answer

A)  location 
B)  speed 
C)  strength 
D)  angle

Question 10

Sonographic images are composed of many ________.

Accepted Answer

A)  crystals 
B)  scan lines 
C)  focal points 
D)  frequency shifts

Question 11

Pulsed ultrasound transducers can generate only ultrasound pulses.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A)  sector 
B)  vector 
C)  convex 
D)  linear

Question 14

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

Accepted Answer

A)  sector 
B)  linear 
C)  convex 
D)  none of the above

Question 15

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

Accepted Answer

A)  frequency shift 
B)  spectral display 
C)  invisible object 
D)  electronic wave

Question 16

Quantitative data are determined by which Doppler display?

Accepted Answer

A)  Color imaging. 
B)  Power imaging. 
C)  B-mode (gray-scale, or brightness) imaging. 
D)  Spectral imaging.

Question 17

Doppler ultrasound measures the movement of ________.

Accepted Answer

A)  tissue 
B)  blood 
C)  A and B 
D)  none of the above

Question 18

Animals have applied ultrasound to detect and capture prey.

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

A)  stationary; frequencies 
B)  stable; directions 
C)  moving; frequencies 
D)  moving; echoes

Question 20

A ________ scan is shaped like a slice of pie.

Accepted Answer

A)  sector 
B)  convex 
C)  linear 
D)  curvilinear

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.