The Proposed Frequency Resonance Hypothesis Relates To

Multiple Choice

The proposed frequency resonance hypothesis relates to:

A) the production of oscillation voltage in therapeutic ultrasound by the expansion and contraction of crystals.
B) the absorption and subsequent scattering of ultrasound by subcutaneous fat.
C) the absorption of the mechanical energy of ultrasound by proteins and protein complexes.
D) the increase in the frequency of ultrasound waves as they penetrate deeper tissues.
E) the nonuniform distribution of ultrasound energy.