EDELMAN - CH 14 | THE SMART WAY TO PASS | REAL
TESTS, REAL RESULTS!
Transducer during transmission - Answer: transforms electrical energy into acoustic energy
Transducer during reception - Answer: converts returning acoustic energy into electrical
energy
Pulser - Answer: determines amplitude, prp, and prf
Beam former - Answer: determines the firing delay patterns for phased array systems
Receiver - Answer: transforms the electrical signals from the transducer into a form
suitable for display
Display - Answer: presents processed data
Storage - Answer: archives the ultrasound studies
Master synchronizer - Answer: maintains and organizes the proper timing and interaction of
the system's components
Transmission - Answer: when does the pulser function?
0-100 volts - Answer: what is the range of the pulser's electrical voltage spikes
Brightness - Answer: changes in pulser voltage modify the ___________ of the entire image
displayed on the system's screen
APPHIA – Crafted with Care and Precision for Academic Excellence. 1
, Weak ; dark - Answer: when the pulser is set to a low voltage, a ______ sound beam is
transmitted into the body and the image is _____
Strong ; bright - Answer: when pulser voltage is high, a _____ sound beam is transmitted
into the body and the image is ______
Output gain, acoustic power, pulser power, energy output, power, or gain - Answer: 6
synonyms for pulser voltage
Thermal index and mechanical index - Answer: attempts to standardize transducer output
have resulted in what two measurements that appear on the screens of modern ultrasound
systems ?
Yes - Answer: is pulser voltage adjustable by the sonographer?
Bioeffects - Answer: lower puser voltage minimizes that likelihood of what?
Uniform - Answer: output power alone cannot make an image of ________ brightness from
top to bottom
Noise - Answer: a random and persistent disturbance that obscures or reduces a signal's
clarity
Signal-to-noise ratio - Answer: a comparison of the meaningful info in an image compared
to the amount of contamination
High - Answer: when the signal-to-noise ration is _____, the quality of the image is good
APPHIA – Crafted with Care and Precision for Academic Excellence. 2
TESTS, REAL RESULTS!
Transducer during transmission - Answer: transforms electrical energy into acoustic energy
Transducer during reception - Answer: converts returning acoustic energy into electrical
energy
Pulser - Answer: determines amplitude, prp, and prf
Beam former - Answer: determines the firing delay patterns for phased array systems
Receiver - Answer: transforms the electrical signals from the transducer into a form
suitable for display
Display - Answer: presents processed data
Storage - Answer: archives the ultrasound studies
Master synchronizer - Answer: maintains and organizes the proper timing and interaction of
the system's components
Transmission - Answer: when does the pulser function?
0-100 volts - Answer: what is the range of the pulser's electrical voltage spikes
Brightness - Answer: changes in pulser voltage modify the ___________ of the entire image
displayed on the system's screen
APPHIA – Crafted with Care and Precision for Academic Excellence. 1
, Weak ; dark - Answer: when the pulser is set to a low voltage, a ______ sound beam is
transmitted into the body and the image is _____
Strong ; bright - Answer: when pulser voltage is high, a _____ sound beam is transmitted
into the body and the image is ______
Output gain, acoustic power, pulser power, energy output, power, or gain - Answer: 6
synonyms for pulser voltage
Thermal index and mechanical index - Answer: attempts to standardize transducer output
have resulted in what two measurements that appear on the screens of modern ultrasound
systems ?
Yes - Answer: is pulser voltage adjustable by the sonographer?
Bioeffects - Answer: lower puser voltage minimizes that likelihood of what?
Uniform - Answer: output power alone cannot make an image of ________ brightness from
top to bottom
Noise - Answer: a random and persistent disturbance that obscures or reduces a signal's
clarity
Signal-to-noise ratio - Answer: a comparison of the meaningful info in an image compared
to the amount of contamination
High - Answer: when the signal-to-noise ration is _____, the quality of the image is good
APPHIA – Crafted with Care and Precision for Academic Excellence. 2
