Name: Score:
60 Multiple choice questions
Term 1 of 60
Impedance
the frequency at which sound waves oscillate
the measure of sound intensity in decibels
the opposition of sound propagation
the speed at which sound travels through air
Term 2 of 60
A mechanical transducer utilizes:
transmit focus
receive focus
fixed focus
dynamic aperture focusing
Term 3 of 60
Power/area=
bandwidth
Intensity
a. transmit
e. intensity= mW/cm2
,Term 4 of 60
An increase in red blood cell velocity will_____ the Doppler Shift:
increase
decrease
not change
cannot be predicted
Term 5 of 60
The unit for impedance?
Bandwidth
Intensity
Hertz
Rayls
Term 6 of 60
Decibels are the units for all of the following except:
a. amplitude
b. transmit gain
c. gain
d. attenuation
e. TGC
f. dynamic range
e. intensity
e. absence of sampling rate
b. turbulent flow
e. intensity= mW/cm2
a. increase color gain
, Term 7 of 60
The most common type of transducer used in echo is:
sector phased array
linear sequential array
annular array
absorption
Term 8 of 60
With pulse wave Doppler axial resolution:
decrease
degrades
absorption
frequency
Term 9 of 60
Which of the following is considered the memory of an ultrasound instrument?
pulser
transducer
receiver
beam former
digital scan converter
display monitor
60 Multiple choice questions
Term 1 of 60
Impedance
the frequency at which sound waves oscillate
the measure of sound intensity in decibels
the opposition of sound propagation
the speed at which sound travels through air
Term 2 of 60
A mechanical transducer utilizes:
transmit focus
receive focus
fixed focus
dynamic aperture focusing
Term 3 of 60
Power/area=
bandwidth
Intensity
a. transmit
e. intensity= mW/cm2
,Term 4 of 60
An increase in red blood cell velocity will_____ the Doppler Shift:
increase
decrease
not change
cannot be predicted
Term 5 of 60
The unit for impedance?
Bandwidth
Intensity
Hertz
Rayls
Term 6 of 60
Decibels are the units for all of the following except:
a. amplitude
b. transmit gain
c. gain
d. attenuation
e. TGC
f. dynamic range
e. intensity
e. absence of sampling rate
b. turbulent flow
e. intensity= mW/cm2
a. increase color gain
, Term 7 of 60
The most common type of transducer used in echo is:
sector phased array
linear sequential array
annular array
absorption
Term 8 of 60
With pulse wave Doppler axial resolution:
decrease
degrades
absorption
frequency
Term 9 of 60
Which of the following is considered the memory of an ultrasound instrument?
pulser
transducer
receiver
beam former
digital scan converter
display monitor
