Sections View Full Chapter Figures Tables Videos Full Chapter Figures Tables Videos Supplementary Content + Download Section PDF + + Wavelength is defined as the number of cycles per second. + True + False + Download Section PDF + + To achieve deeper tissue penetration, the wavelength must be increased. + True + False + Download Section PDF + + Continuous shortwave diathermy produces thermal effects. + True + False + Download Section PDF + + Which of the following is NOT an electromagnetic energy modality? + Ultraviolet light + Ultrasound + Low-power laser + Shortwave diathermy + Download Section PDF + + Sound or radiation waves that change direction when passing from one type of tissue to another are said to. + Transmit + Absorb + Reflect + Refract + Download Section PDF + + The ____________ states that if superficial tissue does not absorb energy, it must be transmitted deeper. + Law of Grotthus–Draper + Cosine law + Inverse square law + Arndt–Schultz principle + Download Section PDF + + According to the cosine law, to minimize reflection and maximize absorption, the energy source must be at a ____________ angle to the surface. + 45 degree + 90 degree + 180 degree + 0 degree + Download Section PDF + + Electrical stimulating currents may produce the following effects: + Muscle contraction + Net ion movement + Decrease in pain + All of the above + Download Section PDF + + Thermal energy modalities generally affect superficial tissue up to___cm deep. + 5 cm + 0.5 cm + 1 cm + 10 cm + Download Section PDF + + Based on their different characteristics, which of the following travels at greater velocity through human tissue? + Sound energy + Electromagnetic energy + Both a and b travel at the same rate. + Neither a nor b travels through human tissue.