ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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In this phased array transducer, what direction will the beam be steered?

  1. 45 degrees to the right

  2. Slightly to the left

  3. Slightly to the right

  4. 45 degrees to the left

The correct answer is: 45 degrees to the left

This is because phased array transducers use multiple elements to create a focused ultrasound beam. By varying the timing and strength of the electrical signals to each element, the beam can be steered in a specific direction. Option D, 45 degrees to the left, is the only option that correctly describes the direction in which the beam will be steered. Options A and B describe incorrect directions, and option C only states "slightly" without specifying a direction. Therefore, D is the most accurate answer.