Critical Qs #4

Question 1

The filtration disks are made out of _____________ and the collimator is made out of _____________.

Answer 1

aluminum; lead

Question 2

Bremsstrahlung/General radiation is the majority (70% or more) of the x-ray energy produced at the anode.

Answer 2

True

Question 3

This unit is the measurement of the number of electrons moving through the conductor (or tungsten filament) in the cathode.

Answer 3

milliampres (mA)

Question 4

Within the x-ray tube, electrons are generated for thermionic emission by the _____________?

Answer 4

tungsten filament in the cathode

Question 5

The amount of energy an electromagnetic radiation possesses depends on the wavelength and frequency. Low-frequency waves have a ___________ wavelength and ___________ energy.

Answer 5

long; less

Question 6

This type of particulate radiation is made up of fast-moving electrons emitted from the nucleus of radioactive atoms.

Answer 6

beta particles

Question 7

The binding energy or binding force of an electron is

Answer 7

weaker for electrons located in outer shells than for inner shells

Question 8

Which of the following types of electromagnetic radiation is not capable of ionization?

Answer 8

microwave rays

Question 9

Which type of radiation, Bremstrahlung/General or Characteristic, causes ionization of the tungsten atom?

Answer 9

characteristic radiation

Question 10

Without this protective part of the x-ray tubehead, the unit would overheat during the production of x-rays.

Answer 10

insulating oil