The mode that produces lines related to the changing position of reflectors in the body with respect to time is called _____.
Which of these could be the Doppler received frequency if a…
Which of these could be the Doppler received frequency if an operating frequency of 5MHz is used to interrogate blood cells moving towards sound source?
The purpose of the pulser is to
The purpose of the pulser is to
With B-mode, on which axis the strength of the reflection in…
With B-mode, on which axis the strength of the reflection input?
What will lower the value of an ultrasound system’s lateral…
What will lower the value of an ultrasound system’s lateral resolution?
All of the following occur with focusing except:
All of the following occur with focusing except:
Two ultrasound systems have near zone lengths of 8 cm. At th…
Two ultrasound systems have near zone lengths of 8 cm. At the focus, System G’s lateral resolution is 3.0 mm, while System P’s is 5.0 mm. Which system will produce higher quality pictures at the foci?
Gain is a ratio of
Gain is a ratio of
The number of pixels and the resolution is preserved in
The number of pixels and the resolution is preserved in
The ratio of the largest power to the smallest power the rec…
The ratio of the largest power to the smallest power the receiver can handle is the