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PTA Physical Therapy Assistant

Category - Therapeutic Modalities

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What is the depth of penetration of 3 MHZ thermal ultrasound?

5 - 6 cm
6 - 7 cm
0.8 - 3 cm
7 - 8 cm

Explanation

Answer: C - 0.8 - 3 cm is the depth of penetration of 3 MHZ thermal ultrasound.

A depth of penetration of 5 cm or more happens with 1 MHZ ultrasound.

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