Ch 14 Q &A

Question 1

All of the following are components of an ultrasound system except:

a. transducer
b. alternator
c. display
d. pulser
e. synchronizer
f. receiver

Answer 1

B

Question 2

This type of pulser generates a constant electrical signal in the form of a sine wave:

a. pulse wave, array
b. continuous wave
c. pulsed wave, single crystal

Answer 2

B

Question 3

This type of transducer generates a single electrical spike, which ultimately creates a single sound pulse:

a. pulsed wave, phased array
b. continuous wave
c. pulsed wave, single crystal

Answer 3

C

Question 4

This type of pulser generates numerous electrical spikes, which ultimately create a single sound pulse:

a. pulsed wave, phased array
b. continuous wave
c. pulsed wave, single crystal

Answer 4

A

Question 5

The acoustic power of a sound beam emitted from a transducer is determined by the ____ of the pulser’s signal

a. PRF
b. frequency
c. voltage
d. rectification

Answer 5

C

Question 6

All of the following are functions of the receiver except:

a. demodulation
b. suppression
c. amplification
d. attenuation

Answer 6

D

Question 7

Place these functions in the order in which the ultrasound system performs them:

a. reject
b. demodulation
c. amplification
d. compression
e. compensation

Answer 7

C E D B A

Question 8

True or False

Amplification processes all reflected signals in a similar manner

Answer 8

True

Question 9

True or False

Compensation processes all reflected signals in a similar manner

Answer 9

False