Which Ultrasound Coupling Method Will Transmit the Most Energy and Cause

question 15

Multiple Choice

Which ultrasound coupling method will transmit the most energy and cause more heating?

• A) Direct coupling
• B) 1-cm-thick gel pad
• C) 2-cm-thick gel pad
• D) Direct coupling and gel pads (1 and 2 cm)each transmit the same energy

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Definitions:

Archaea

A domain of single-celled microorganisms that are genetically distinct from bacteria and eukaryotes, known for their ability to survive in extreme environments.

Membrane-Bound Organelles

Organelles within eukaryotic cells that are enclosed by membranes, segregating them from the cytoplasm and enabling specialized functions.

Eukaryotic Cells

Cells that contain a nucleus surrounded by a membrane and various organelles, characteristic of all organisms except bacteria and archaea.

Prokaryotic Cells

Simple, unicellular organisms lacking a nucleus and other membrane-bound organelles, including bacteria and archaea.