DHE 116 Chapter 3 Dental x-ray machine components pg20-23

______ contains the master switch and other exposure buttons. 

______ or bracket which enables the tube head to be positioned.

________ contains the x-ray tube from which x-rays are generated.

_______ is an open-ended cylindrical or rectangular device attached to the dental x-ray machine tube head at the aperture used to direct the useful beam of radiation.

The tube head is attached to the extension arm by means of a _____ that can be revolve 360 degrees horizontally where it is connected. 

_____ the amount of x-rays (free e-) produced / amount of current
determines the available number of free electrons at the cathode filament and therefore the amount of x-rays that will be produced.

______ determines the speed of electrons traveling towards the target on the anode and therefore the penetrating ability of the x-ray produced.