Chapter 9 Test




1. Beam forming is performed in array transducers through the use of:

2. The focal zone is the region where the ultrasound energy is:

3. The process of changing the size of the transmit and receive component of a transducer lens is called:

4. The process that decreases the relative excitement of certain element to insure beam uniformity is referred to as:

5. Side lobes are a product of:

6. How much time does it take a sound wave to make it round trip in a depth of 1 cm:

7. By increasing overall gain, the system:

8. To prepare a signal for imaging on a monitor the system must first:

9. The technical component of the ultrasound system to adjust echoes a various depths is called:

10. The ability to display a large number of shades of gray in an image is called: