1.
There are 256 shades of___?
2.
Difference between x-rays and ultrasound?
3.
What is in the transducers?
4.
What is the sound transmitter and receiver?
5.
Strength of returning echoes
6.
Bright, produces echoes
7.
Dark, produces few or no echoes
8.
Brighter than, produces more echoes than adjacent stuctures
9.
Darker than, produces fewer echoes than surrounding structures
10.
same as, has the same strength of echoes from adjacent structures
11.
Determines what gray scale is used
12.
Transducers hat a set min/max___ it can send/receive sound waves
13.
Blue away, red towards
14.
Time motion mode (2d scale)
15.
imaging of the flow of blood, also measures velocity
16.
Allows beam to converge at more than one depth (only 2 should be used)
17.
Allows adjustments at various depths, compensates for weakening of beam
19.
Most commonly used probe in small animal
20.
Similar to convex but a lot smaller
21.
What kind of a solution is used to clean transducers?
22.
What traps air on a pt?
23.
What is used to couple transducer to skin?
24.
Beam hits gas or air and beam gets reflected back to transducer
25.
Area of darkness that occurs deep to dense material
