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In order to test for lateral resolution accuracy, what pin group should be chosen?
Testing this performance parameter with a test object requires that the TGC be turned off, then gains increased until a specific rod in the far zone is minimally visualized.
Using a tissue equivalent phantom, the area near the transducer where no imaging is possible is called the?
To evaluate how accurate a test is in detecting pathology, it is compared to another test considered to be always correct. This test is the?
Of the following factors, which is the most critical in obtaining correct results for range accuracy in A, B, and M mode?
When using a phantom to test the system’s accuracy in measuring distances that are perpendicular to the path of the sound beam, we are checking?
Testing for longitudinal resolution with a test object requires that the rods be positioned _________ to the sound beam.
A sonographer measures a mass in the transverse plane at 10 mm. Quality assurance testing of the system’s horizontal calibration later that day reveals a 20% overestimation of the distance between two rods exists. What is the real measurement of the mass?
When an ultrasound system is capable of placing echo reflections at the correct location from different imaging perspectives, we are talking about?