History of Radiology
Discovered x-rays
Who is Wilhelm Conrad Roentgen?
PID stands for...
What is position indicator device
30 impulses equals
What is 0.5 second
True or false, x-rays are detectable and have no weight
What is false
Refers to the number of x-rays produced
What is quantity
Year X-rays were discovered
The metal body that houses the x-ray tube
What is the metal housing
Controls the flow of electricity to generate x-rays
What is the exposure button
True or false, x-rays travel in short-wavelength, high-frequency waves
What is true
Used to describe the energy or penetrating ability of the x-ray beam
What is quality
Made the first dental radiograph
Who is Otto Walkhoff
The tubehead, extension arm, control panel
What are the components of the x-ray machine
Measure of electrical current passing through the tungsten filament
What is milliamperage
Can alter molecules within the cells of our body
What is ionization
shows the radiopaque white of a metal restoration, the radiolucent black of air, and many shades of gray
What is contrast
Credited with the first practical use of radiographs
Who is Dr. C. Edmond Kells
Produces x-rays
What is the tubehead
60 impulses equals __
What is 1 second
The shorter the wavelength of the x-ray, the greater its __
What is energy
Is the overall blackness or darkness if an image
What it density
Awarded the first Nobel Prize in Physics
Who is Wilhem Conrad Roentgen
Supplies the electrons necessary to generate x-rays
What is the cathode
Exposure time measured in fractions of a second
What are impulses
It is like visible light, radar, radio and/or television waves
What is electromagnetic radiation?
Refers to how well the radiograph reproduces the fine details or distinct outlines of an object
What is sharpness