Ultrasound effects on inflammation include which of the following?

Ultrasound effects on inflammation include which of the following?

• A. Moves tissues into proliferation phase
• B. Decreases fibroblast activity
• C. Reduces inflammation within minutes
• D. Causes tissue necrosis

Answer: (A)

Ultrasound promotes healing by helping tissues move from the inflammatory phase into the proliferative phase. At therapeutic levels, especially with non-thermal, pulsed ultrasound, mechanical energy enhances cellular activity—fibroblasts proliferate, collagen synthesis increases, and new blood vessels form. This combination drives tissue repair and scar formation, so the target outcome is progression into the proliferative stage rather than lingering in inflammation. That’s why the statement about moving tissues into the proliferation phase fits best. Decreasing fibroblast activity would hinder healing, not support it. An immediate, minutes-long reduction of inflammation isn’t the primary or reliable effect of therapeutic ultrasound, which acts through longer cascades of cellular signaling. Causing tissue necrosis would be harmful and is not an intended or typical result at clinical treatment settings.

Ultrasound promotes healing by helping tissues move from the inflammatory phase into the proliferative phase. At therapeutic levels, especially with non-thermal, pulsed ultrasound, mechanical energy enhances cellular activity—fibroblasts proliferate, collagen synthesis increases, and new blood vessels form. This combination drives tissue repair and scar formation, so the target outcome is progression into the proliferative stage rather than lingering in inflammation.

That’s why the statement about moving tissues into the proliferation phase fits best. Decreasing fibroblast activity would hinder healing, not support it. An immediate, minutes-long reduction of inflammation isn’t the primary or reliable effect of therapeutic ultrasound, which acts through longer cascades of cellular signaling. Causing tissue necrosis would be harmful and is not an intended or typical result at clinical treatment settings.