Term
| An artifact that appears as multiple reflections equally spaced is called: |
|
Definition
|
|
Term
| Grating lobe artifacts occur with _____ transducers. |
|
Definition
|
|
Term
| Refraction causes lateral displacement of the reflector and is caused by ______ incidence. |
|
Definition
|
|
Term
Propagagtion speed errors occur because the equiptment assumes a speed of sound in tissue of 1.54 mm per microsecond.
TRUE or FALSE |
|
Definition
|
|
Term
| Multipath artifacts are caused by the sound beam interacting with a _____ surface. |
|
Definition
|
|
Term
|
Definition
|
|
Term
| Section thickness artifacts result from: |
|
Definition
| Two adjacent structures visualized as one |
|
|
Term
| Color mirror image artifacts can be eliminated by: |
|
Definition
|
|
Term
| Aliasing occurs when the reflected frequency exceeds ____ the Nyquist limit: |
|
Definition
|
|
Term
| Enhancement occurs when the sound beam travels through a region of _______ than the surrounding tissue. |
|
Definition
|
|
