Final Review

In the x-ray circuit, this device adjusts voltage to 220 volts. 

• Line voltage monitor
• Line voltage compensator
• Main switch
• Rectifier

What helps to limit leakage radiation and decreases the risk of electrical shock?

• Collimator
• Cathode
• Step down transformer
• Tube housing

To ensure that electrons travel from cathode to anode, the tube needs to have:

• Direct current
• High current
• Alternating current
• Rheostat

Which tube interaction involves a K shell electron to be ejected?

• Photoelectric absorption
  
• Bremsstrahlung
• Characteristic interaction
• Compton interaction

One of the main events to happen at the cathode is:

• Thermionic cloud
• Photoemission
• Rectification
• Mutual induction

Which of the following can be found in the filament circuit?

• Main switch
• Rectifier
• Step down transformer
• None of the answers are correct

Which of the following is a function of filtration?

• Increase patient dose
• Absorb high energy photons
• Even out differences in tissue
• Absorb low energy photons

Which device converts AC to DC in the tube circuit?

• Rectifier
• Step up transformer
• Auto transformer
• Rheostat

If the distance is changed to 80 inches what is the beam's intensity if it was 100 mR at 40 inches?

• 400 mR
• 200 mR
• 50 mR
• 25 mR

The filament can be found in what part of the tube construction?

• Anode
• Cathode
• Rotor
• Induction motor