The thickness of the active element is ____ of the wavelength of sound in the active element.
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Cleaning a transducer should be performed:
Cleaning a transducer should be performed:
_________________ is the dominant factor contributing to att…
_________________ is the dominant factor contributing to attenuation of ultrasound in soft tissue.
The matching layer
The matching layer
Attenuation of the sound beam is proportional to the:
Attenuation of the sound beam is proportional to the:
How is pulse length related to pulse duration?
How is pulse length related to pulse duration?
A sound wave is created by a transducer, reflects off an obj…
A sound wave is created by a transducer, reflects off an object, and returns to the transducer. The go return time is 130µs. What is the maximum PRF?
What is the equation for acoustic impedance?
What is the equation for acoustic impedance?
The maximum imaging depth (depth of view) during an ultrasou…
The maximum imaging depth (depth of view) during an ultrasound exam is 10 cm. The sonographer adjusts the imaging depth to 20 cm. What happens to pulse repetition period?
A sound wave with an intensity of 50 W/cm2 strikes a boundar…
A sound wave with an intensity of 50 W/cm2 strikes a boundary and is totally refelcted. What is the intensity reflection coefficient?