Final answer:
The patient table remains stationary through the exam once it is initially positioned in a CT scanner.
Step-by-step explanation:
The correct answer is option c) remains stationary through the exam once it is initially positioned. The patient table in a CT scanner is initially positioned to ensure that the part of the body being scanned is in the correct position. Once it is positioned, the table remains stationary throughout the exam to ensure accurate and consistent images are obtained. Movement of the table during the scan can cause distortion or blurring of the images.