11.In the X-ray imaging device,detector and data acquisition unit of X-ray imaging device transform X-ray ,passing through human body,into electrical signal.

38.A gadolinium-based contrast agent does not contain iodine and ,therefore ,rarely causes an allergic reaction.

26.While it is not necessary that you shut down the system down daily ,you must do so at least once a week ,or as your site deems necessary.Do not shut down wall power during weekly shutdown.

18.Automatic control of X-ray tube current is realized by adjusting primary voltage of X-ray tube filament transformer to obtain stable and high quality image.

44.At the present time, the eriphasis of nuclear medicine studies is more on its function and
chemistry than anatomic structure.

2.Many diseases in clinical departments are required to achieve the definite diagnosis by the exam of radiology equipment.

34.Resistive magnets have conventional thick copper windings and generate a great deal of heat.

37.The powerful magnetic flied of the MR system will attract iron-containing (also known as ferromagnetic) objects.

12.Without artificial help,DR can direct transform the X-ray passing through patients into digital images, save and display them in the computer.

22.Both users and operators must only use and operate the equipment in such ways as do not conflict with applicable laws , or regulations which have the force of the law.