________ Ultrasound is the therapeutic use of high-frequency currency that induces an electrical field within a portion of the body

You suspect that a patient you are called to see is experiencing a stroke. Which of the following helps support your suspicion?

A). Clear speech B). Pupils that are equal in size C). One arm drifting downward when raised D). Absence of facial drooping

Which of the following describes the collimator of the panoramic x-ray beam?

a. It is circular (round). b. It is concentric (cone-shaped). c. It is rectangular d. It is a narrow slit