INBDE (Integrated National Board Dental Examination) Practice Exam

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What does the tungsten target in an X-ray tube act as?

Cathode
Anode
Filtration
Collimation

The correct answer is: Anode

The tungsten target in an X-ray tube acts as the anode because it is the positively charged electrode that the electrons are directed towards, generating X-rays in the process. The cathode, on the other hand, is the negatively charged electrode that provides the electrons for the X-ray production. Filtration and collimation are both important components in controlling the quality and direction of the X-rays, but they do not play the same role as the tungsten target. Therefore, they are not the correct answer.