Final answer:
Positioning the patient comfortably on the CT table is important for preventing motion artifacts in the images.
Step-by-step explanation:
Positioning the patient comfortably on the CT table is a key part of preventing image degradation such as motion artifacts. Motion artifacts can occur when the patient moves during the CT scan, resulting in blurry or distorted images. By ensuring that the patient is in a comfortable position and remains still, the chances of motion artifacts are minimized.