Which statement is correct? sonography is often used during pregnancy, because it provides a way to evaluate the baby without risk. mri is an imaging tool that allows doctors to see internal structures in real time. act scan uses radio waves to determine the gray scale on an image. nuclear medicine involves the use of a high-frequency transducer to measure the radiation.

The correct answer is the first statement.

Explanation:

A diagnostic method utilized in hospitals, which utilizes ultrasound to produce 2-dimensional or 3-dimensional images is known as sonography. A small apparatus very identical to a microphone known as a transducer discharges ultrasound waves. These high-frequency sound waves are conducted towards the region of the body under examination, and one receives echo. The transducer gathers the echo of the sound waves and a computer transforms this echo into an image, which one observes on the monitor.

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