Two ultrasound systems have near zone length of 8 cm. At their foci, system Q’s lateral resolution is 3.0 mm and system H’s is 5.0 mm. Which system will correctly display two small structures at a depth of 8 cm? The objects are side by side and are 0.4cm apart.

                                                                                                                                                          The arrows probably indicate all of these EXCEPT

Which of the following focusing techniques is different from the others?

The purpose of the pulser is to

When using standard ultrasonic imaging instrumentation, lateral resolution has a higher numerical value than the axial resolution.

An entire ultrasound image im an adult patient  is too dark, but of uniform brightness. Which of the following is the first adjustment that should be made to make the entire  image brighter?

All of the following occur with focusing except:

The averaging of frames together to provide a smoother appearance is

The information that is processed by a standard duplex US system includes all of the following except:

The ratio of the largest power to the smallest power the receiver can handle is the