What is the purpose of ct quality assurance fill in the blank question

Provide high-quality images to meet the needs of clinical diagnosis. ct is a kind of imaging means of examination. ct examination is a part of the human body with x-ray beams for tomography, x-rays into photoelectricity, and then converted into electrical signals, the computer reconstruction of the image, to achieve the diagnosis of diseases of an examination. According to the query related information, the purpose of ct quality assurance is to provide high quality images to meet the needs of clinical diagnosis. the significance of ct quality assurance is: to ensure that large-scale medical equipment in the clinical application of the maximum efficiency and patient safety.