Question 1

When the fundamental frequency is filtered out,which of the following occurs?

Accepted Answer

A)  Volume imaging. 
B)  Pixel interpolation. 
C)  Harmonic frequencies. 
D)  Spatial compounding. 
A)  Volume imaging. 
B)  Pixel interpolation. 
C)  Harmonic frequencies. 
D)  Spatial compounding.

Question 2

Pixel interpolation,persistence,and panoramic imaging are examples of ________.

Accepted Answer

A)  preprocessing 
B)  spatial compounding 
C)  postprocessing 
D)  signal processors 
A)  preprocessing 
B)  spatial compounding 
C)  postprocessing 
D)  signal processors

Question 3

If the number of focal zones is increased,the frame rate decreases.

Accepted Answer

A) True 
 B)False

Question 4

Averaging sequential frames improves ________.

Accepted Answer

A)  frame rate 
B)  dynamic range 
C)  temporal resolution 
D)  penetration depth 
A)  frame rate 
B)  dynamic range 
C)  temporal resolution 
D)  penetration depth

Question 5

Storage of the last several frames acquired before freezing is called ________.

Accepted Answer

A)  freeze 
B)  triplex 
C)  cine loop 
D)  picture archiving 
A)  freeze 
B)  triplex 
C)  cine loop 
D)  picture archiving

When the fundamental frequency is filtered out,which of the following occurs?

Pixel interpolation,persistence,and panoramic imaging are examples of ________.

If the number of focal zones is increased,the frame rate decreases.

Averaging sequential frames improves ________.

Storage of the last several frames acquired before freezing is called ________.

Introduction

Ultrasound

Transducers

Doppler Principles

Artifacts

Performance and Safety

Filters

Exam 4: Instruments

When the fundamental frequency is filtered out,which of the following occurs?

Pixel interpolation,persistence,and panoramic imaging are examples of ________.

If the number of focal zones is increased,the frame rate decreases.

Averaging sequential frames improves ________.

Storage of the last several frames acquired before freezing is called ________.

Introduction

Ultrasound

Transducers

Doppler Principles

Artifacts

Performance and Safety

Filters