Which of the Following Occur During X-Ray Tube Preparation or "Boost

Multiple Choice

Which of the following occur during x-ray tube preparation or "boost?"
1) The collimator light goes out to save energy.
2) The anode comes up to rotational speed.
3) The preselected milliamperage increases in the cathode filament.
4) A high voltage is applied across both diodes of the x-ray tube,enabling electrons to travel across to the anode.
5) The grid in the table begins to oscillate.

A) 1,2,4 and 5 only
B) 2,3 and 4 only
C) 2 and 3 only
D) 2,4 and 5 only