A PTA plans to treat a patient’s shoulder with ultrasound. The patient has acute inflammation and mild edema. What precaution should the PTA take?

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?

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

Refer to the following radiographic tube rating chart. What is the maximum mA station that can be employed for a .01 second exposure at 125 kVp? Tube rating chart.jpg

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

Refer to the following emission spectrum. Number 1 indicates the original technique employed for an exposure and Number 2 indicates the corresponding technique change. What technique change is signified in this illustration? figure_6.6 labeled #2.jpg

Refer to the following illustration of an x-ray tube interaction. Precisely how much energy will the resulting x-ray photon possess according to the information given in the diagram? Bremsstrahlung Interaction(2).jpg

Refer to the following emission spectrum. Number 1 indicates the original technique employed for an exposure and Number 2 indicates the corresponding technique change. What technique change is signified in this illustration? figure_6.6 labeled #1.jpg

Refer to the following x-ray emission spectrum. The applied voltage that produced this beam is: emission spectrum(1).png

Refer to the following radiographic tube rating chart. What is the maximum mA station that can be employed for a 10 second exposure at 75 kVp? Tube rating chart.jpg