In clinical imaging, pressure amplitude ranges from -3 million pascals to -1 million pascals.

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Multiple Choice

In clinical imaging, pressure amplitude ranges from -3 million pascals to -1 million pascals.

Explanation:
Pressure amplitude in imaging is described as a range around ambient pressure, with the sign showing whether the fluctuation is below or above that ambient level. Here the fluctuation is entirely negative, spanning from a more negative value to a less negative value. That means it starts at -3 million pascals and ends at -1 million pascals. So the correct range is -3 million pascals to -1 million pascals. The other options either include nonnegative values, reverse the order, or use a magnitudes that don’t match the stated range.

Pressure amplitude in imaging is described as a range around ambient pressure, with the sign showing whether the fluctuation is below or above that ambient level. Here the fluctuation is entirely negative, spanning from a more negative value to a less negative value. That means it starts at -3 million pascals and ends at -1 million pascals. So the correct range is -3 million pascals to -1 million pascals. The other options either include nonnegative values, reverse the order, or use a magnitudes that don’t match the stated range.

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