ARDMS Practice Test 2025 – Comprehensive All-in-One Guide to Diagnostic Medical Sonography Success!

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Question: 1 / 400

The best contrast resolution will be available with which digital scan converter?

4 bits

256 shades of gray

32 shades of gray

16 bits

The best contrast resolution will be available with a digital scan converter that has a higher bit depth. In this case, 16 bits provide a higher bit depth compared to the other options listed. A higher bit depth allows for more shades of gray to represent the image, resulting in better contrast resolution. This increased number of shades of gray enables a more detailed and nuanced display of different tissue densities, which is essential for accurate diagnostic imaging in medical sonography.

Option A (4 bits), Option B (256 shades of gray), and Option C (32 shades of gray) have lower bit depths compared to Option D (16 bits). Lower bit depths result in a limited range of shades of gray, which can compromise the ability to distinguish subtle variations in tissue densities and reduce the overall contrast resolution of the image.

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