ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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Which phrase correctly describes the following ultrasound beam?

  1. Focused, steered to the left

  2. Focused, steered to the right

  3. Unfocused, no steering

  4. Unfocused, steered to the left

The correct answer is: Focused, steered to the left

The correct answer is "Focused, steered to the left" because a focused ultrasound beam means it has a concentrated area of energy, providing better image resolution and penetration. Steering the beam to the left means adjusting the direction in which the beam is emitted, allowing the sonographer to focus on specific areas of interest in the body. This combination of focused and left-steered ultrasound beam helps in obtaining clear and detailed images during the ultrasound examination. Option B, "Focused, steered to the right," is incorrect because the beam is not steered to the right as mentioned in the question. Option C, "Unfocused, no steering," is incorrect because an unfocused beam would result in poorer image quality. Option D, "Unfocused, steered to the left," is incorrect because steering an unfocused beam would not significantly improve image quality as it lacks focus.

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