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Samantha, a 30-year-old runner, has a recent ankle sprain. The physical therapist assistant is asked to use ultrasound to reduce inflammation without generating heat. What parameters would be most appropriate?

The patient receiving ultrasound has just complained of a deep aching sensation. The primary area of heating with ultrasound occurred in which body tissue?

Which ultrasound settings are best for deep wound healing?

A PTA was planning to use ultrasound on a patient’s shoulder to reduce pain and improve tissue extensibility. While preparing, the PTA noticed the patient has a pacemaker, which was not previously disclosed. What should the PTA do?

What determines the energy of the photon/s produced during the following type of interaction? Characteristic Interaction(2).jpg

Refer to the following radiographic tube rating chart. What is the maximum kVp that can be used at 500 mA and .005 seconds? Tube rating chart.jpg

Refering to the following radiographic tube rating chart, determine if an exposure of 80 kVp, 200 mA, and 1 second will be safe or unsafe.  radiographic tube rating chart.jpg

What determines the energy of the photon/s produced during the following type of x-ray production interaction? Bremsstrahlung Interaction(3).jpg

What interaction is illustrated in the following illustration? Bremsstrahlung Interaction.jpg

Refer to the following radiographic tube rating chart. What is the maximum kVp that can be used at 300 mA and .01 seconds? Tube rating chart.jpg