LRA 222 Week 1 review

Thermionic emission at the filament determines the __________ across the x-ray tube during an exposure.

Electromagnetic theory was developed in the late 1800s by

Voltage across the x-ray tube is most constant with _________________.

The motor that turns the anode operates through

The focusing cup is able to keep electrons together because

The stator is made up of electromagnets.

The x-ray tube is found on the primary circuit.

A step-down transformer is located in the primary circuit.

Which of the following occurs first in the sequence of events leading to x-ray produciton?

The purpose of the filament cup is to

The first component to receive power in the x-ray circuit is the ______________.

The first component to receive power in the x-ray circuit is the ______________.

The mAs timer is usually set to give the __________ mA at the _________ time.

The step-down transformer is located in the ___________

The devices that change alternating too direct current are the

Which of the following happens first in x-ray production?

The effective focal spot is smaller than the actual focal spot because the face of the anode is angled

Electormagnetic radiation

AEC controls the ________ of radiation reaching the IR

With half-wave rectification, the current flows through the x-ray tube during the ________ part of the cycle.

To produce x-rays, a cloud of electorns are necessary and the cathode must have a strong positive charge

The principal disadvantage of three-phase equipment is cost.

The effective focal spot size is larger than the actual focal spot size.

The focal spot is the source of radiation in the x-ray tube.