ARDMS (American Registry for Diagnostic Medical Sonography) Practice Test

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Prepare effectively for the ARDMS (American Registry for Diagnostic Medical Sonography) Test with our comprehensive study materials and tips. Master the exam format and content to pass with flying colors!

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Which step CANNOT be used to correct the imaging error seen in the following tracing of the external carotid artery (ECA)?

Switch to a lower frequency transducer.
Move the baseline down.
Reposition the gate to a location that is deeper.
Increase the pulse repetition frequency (PRF) to its maximum value

The correct answer is: Reposition the gate to a location that is deeper.

Repositioning the gate to a location that is deeper is not a step that can be used to correct the imaging error in this case. Repositioning the gate deeper would shift the sampling volume away from the area of interest, potentially missing the segment of the vessel that needs to be assessed. In vascular ultrasound, it is crucial to position the gate at the appropriate location to accurately capture the blood flow and anatomy of the vessel. Therefore, choosing option C would not help in correcting the imaging error observed in the tracing of the external carotid artery.