NPTE-PTA - National Physical Therapy Examination for Physical Therapist Assistants Practice Test
NPTE-PTA - National Physical Therapy Examination for Physical Therapist Assistants NPTE-PTA Therapeutic Modalities and Electrotherapy
Which parameter determines the frequency of ultrasound and affects depth of penetration?
Select your answer
A
Intensity (W/cm²)
B
Frequency (MHz)
C
Duty cycle (%)
D
Treatment duration (minutes)
Hint