In Order to Produce the Best Possible Image, There Must

question 43

Multiple Choice

In order to produce the best possible image, there must be a

• A)similarity of acoustic impedances.
• B)angled relationship between the beam direction and tissue.
• C)difference of acoustic impedances and a perpendicular angle of the beam and tissue interface.
• D)identical tissue interface.

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Definitions:

Hot Rocks

Rocks that have been heated by geothermal energy, often found near volcanic areas or geothermal reservoirs.

Hot Spot

A volcanic region thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle, often resulting in volcanic islands.

Mantle Material

The rock and substances that make up the mantle, a thick layer between the Earth's crust and outer core.

Rising Plume

A column of hot, buoyant material within the mantle that rises due to convection, potentially leading to volcanic activity at the surface.