Echoes Created in Ultrasonography Are the Result of

question 26

Multiple Choice

Echoes created in ultrasonography are the result of

• A)differences in acoustic impedances at tissue interfaces.
• B)similar tissues having the same acoustic impedance.
• C)tissue interfaces running at angles parallel to the primary beam path.
• D)photoelectric and Compton scattering interactions.

---

Definitions:

Equality Principle

A concept in social justice and ethics emphasizing fair treatment and equality of opportunity for all individuals.

Equity Principle

A fairness principle that emphasizes equal treatment and opportunities for all, taking into account individual needs and circumstances.

Procedural Justice

Perceptions of fairness of processes or procedures used to determine distributions.

Instrumental Component

The practical usefulness or functionality of something as a means to achieve an end.