Discovery
When were x-rays discovered?
November 8, 1895
What was the first radiograph of?
Roentgen wife, Anna Bertha's hand.
What kind of electrical charge do x-rays have?
Neutral
Which procedures will minimize radiation exposure to the patient?
Shielding, beam restriction or collimation, proper lead shielding, and screening for pregnancy.
Who discovered x-rays?
Wilhelm Conrad Reontgen
What year were some of the biologically damaging effects of x-rays discovered?
1898
No mass
The unit that measures the transfer of radiation energy into tissues is know as the ___?
Absorbed dose
What type of tube was Roentgen experimenting with when he discovered x-rays?
Crookes tube
The branch of medicine that was concerned with x-rays was previously known as ____?
Roentgenology
What is erythema?
Reddening or burning of the skin which can result from large doses of radiation.
What is wavelength measured in?
Angstroms (A)
X-rays were discovered in experiments dealing with electricity and ___?
A vacuum tube
When Roentgen noticed a fluorescent plate, what was it coated in?
Barium Platinocyanide
X-rays have dual nature, which means they behave like both ___ and ___.
Waves and Particles
What is frequency measured in?
Hertz (Hz)
X-rays were discovered when a chemical coated plate began to ____?
Fluoresce
Where did Roentgen study?
Polytechnic Institute in Zurich, Germany
The x-ray beam used in diagnostic radiography can be described as ____?
Polyenergetic or Heterogeneous
How is the energy of an individual photon measured?
Electron volts (eV)