Radiology Term-Week three Quiz

Weak radiation leaving the tube during exposure is prevented by use of a/an?

Aluminum filter

Which option below best describes an ion?

An atom that has lose electrons

What is the negatively charged particle that is responsible for producing dental radiographs?

Electron

What is the term for a pattern of stored energy on the exposed film that cannot be visibly seem?

Latent image

What component of the x-ray tubehead restricts the size of the x-ray beam?

Lead collimator

The cathode in the ________ terminal.

Negative

Primary beam

Penetrating beam that is produced at the target of the anode

The beam of radiation which is responsible for the x-ray film is the:

Primary

Character radiation

Produced when a high-speed electron dislodges an inner shell of a tungsten atom

General radiation

Produced when an electron hits the nucleus of a tungsten atom

What is Horizontal angulation?

Side-to-side positioning of the x-ray tube head and the receptor.

Scatter radiation

The result of an x-ray being deflected from it's path

Secondary radiation

created when primary beam interacts with matter

What is Vertical angulation?

up-and-down positioning of the x-ray tubehead and the receptor.

What is the speed of electrons through a circuit referred to as?

Kilovoltage

Besides gamma rays, what additional wave from the EMR spectrum is considered harmful to tissue due to it's wavelength?

Ultra-violet