Which of the following techniques is external focusing?

The scale associated with decibel notation is____________.

Acoustic impedance is a property of the _________ and has units of _________.

Traditional reference models for digital organization, such as the “OSI model”, the “TCP/IP model” and the “ANSI-ISA95 model”, usually build up from:

The lateral resolution of an ultrasound system is primarily determined by the __________.

The area that starts at the beam’s smallest diameter and extends deeper is:

What is the range of frequencies emitted by transducers used in ultrasonic imaging?

As an ultrasound wave travels through the body, its amplitude usually:

Which transducer has the worst axial resolution?

The wavelength of an ultrasonic wave is determined by: