History and Overview of x-rays Flashcards
X-rays were discovered by whom?
Wilhelm Conrad Roentgen
What year did Roentgen discover x-rays?
1895
Wilhelm Conrad Roentgen was a professor of physics in which country?
Germany
The first x-ray image was of what and of whom?
Hand (bones)
Bertha, Roentgen’s wife
Originally x-ray was called this:
Roentgen Ray
Who was the 1st radiation fatality?
Clarence Dally
X-ray was first used by B.J. Palmer as a chiropractic tool and introduced to the PSC in what year?
1910
Property of x-ray: EMR ______ reduces intensity.
distance
Property of x-ray: _______ capability which causes biological changes.
ionizing
Property of x-ray: Penetrate matter but are absorbed by ______ materials. Examples? 3
Dense
lead, cement, dense bone
Property of x-ray: produce ____ rays from objects they strike. These rays have detrimental effect on _____ and ____.
Secondary
Film
patient
What is a big cause of image distortion?
divergence
Property of x-ray: Rays travel in _____ straight lines from their source.
diverging
Property of x-ray: Cause certain materials to _______ creating light.
fluoresce
Property of x-ray: Expose _____ and ______. Film turns _____ when exposed. With dense area in front of film this areal will be _______.
X-ray
Photographic
Dark
white
Property of x-ray: Are not ____ in matter and won’t make it _______.
Stored
radioactive
Property of x-ray: Unlike light, they cannot be _____,_____, or _____.
Focused
Reflected
refracted
Property of x-ray: Humans senses can or can’t detect them?
can’t
What 3 things are needed to give birth to an x-ray?
Source of electrons
A way to accelerate them at a high speed
A hard surface to stop them.
What are the parts in the order the x-ray will encounter them?8
Tube Filter Collimator patient Grid Cassette Screen film
