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Therapeutic Modalities: Ultrasound

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1.  Therapeutic ultrasound (U.S.) is: A low frequency sound wave A high frequency sound wave used to induce a biological response Only used by MDs Less than 20,000 Hz

2.  All of the following are TRUE statements about ultrasound and tissue absorption EXCEPT: Bone may reflect the energy. More energy is absorbed by superficial tissues. High collagen tissues absorb the least amount of energy. Cartilage may reflect the energy.

3.  Which of the following is a physiological effect of ultrasound? Decreased muscle spasm Decreased scar tissue stiffness Decreased pain All of the above

4.  To have the best conduction of ultrasound energy, the author recommends ALL EXCEPT: Ultrasound gel Mineral oil/cream Air Lotions

5.  All of the following are contraindications of using ultrasound EXCEPT: Carpal tunnel syndrome Pregnancy Malignancy Pacemaker