Test Bank for Patient Care in Radiography 9th Edition by Ehrlich.
Patient Care in Radiography: With an Introduction to Medical Imaging 9th Edition by Ruth - Ch. 1-22
Patient Care in Radiography: With an Introduction to Medical Imaging 9th Edition by Ruth - Ch. 1-22
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Test Bank: Patient Care in Radiography: With an Introduction to
Medical Imaging 9th Edition by Ruth - Ch. 1-22,
9780323353762, with Rationales
X-rays were discovered in 1895 in - ANSWER:Germany
The inventor of the cathode x-ray tube was - ANSWER:Crookes
The majority of radiography education programs are based in - ANSWER:Colleges
A cassette containing a photostimulable phosphor plate is one form of: - ANSWER:Image Receptor
Which of the following is not basic requirement for the production of x-rays? - ANSWER:A
photostimulable phosphor
When fast moving electrons collide with the target of an x-ray tube, the kinetic energy of their motion
is converted into x-rays and: - ANSWER:Heat
Of the following types of electromagnetic energy, which has the shortest wavelength? -
ANSWER:Gamma Rays
Of the following types of electromagnetic energy, which has the longest wavelength? - ANSWER:Radio
waves
Which of the following is not an accurate statement regarding the characteristics of x-rays? -
ANSWER:They can be refracted by a lens
The characteristic most often used to describe the energy of an x-ray beam is its -
ANSWER:Wavelength
An x-ray beam that has been attenuated by matter is called - ANSWER:Remnant radiation
A device used to indicate the location of the radiation field and to control its size is called a -
ANSWER:Collimator
An x-ray machine that permits viewing of the x-ray image in motion in real time is called -
ANSWER:Fluoroscope
Who discovered x-rays - ANSWER:Wilhelm Conrad Roentgen
What year was the x-ray discovered? - ANSWER:November 8, 1895
The first x-ray was taken in - ANSWER:December 22, 1895
Who developed interrupterless transformers that provided the necessary electricity for x-ray
production - ANSWER:H.C. Snook
What do intensifying screens do - ANSWER:Lower patient dose
Who demonstrated the radiographic use of fluorescent screens - ANSWER:Michael Idvorsky Pupin
The first device that produced x-rays - ANSWER:Crookes tube
Who developed the first fluoroscope - ANSWER:Thomas Edison
, First fatality from x-ray exposure in the U.S was in - ANSWER:1904
Who invented the first x-ray film base in 1914 - ANSWER:George Eastman
The first documented medical use of x-rays in the U.S was in - ANSWER:1896
Four basic requirements for the production of x-rays - ANSWER:vacuum tube (x-ray tube), electron
source, a target of electrons, a high voltage between the electron source and the target
What kind of energy does x-ray have - ANSWER:Electromagnetic
Sine waves - ANSWER:repeating sinusoidal waveform created by changes in the electromagnetic (EM)
field
Photon - ANSWER:smallest unit of EM energy
Quanta - ANSWER:bundles of photons
frequency and wavelength are - ANSWER:inversely proportional; c=hv
In electromagnetic spectrum when it comes to low frequency it produces - ANSWER:Long higher
energy
In electromagnetic spectrum when it comes to high frequency it produces - ANSWER:Short low energy
Characteristic of Radiation - ANSWER:travel in straight line, at the speed of light, affects photographic
emulsions, affects biological tissue (ionizes tissue), cannot be focused or refracted, cannot be
detected by human senses
The primary x-ray beam - ANSWER:Focal spot, Primary x-ray beam, radiation field , central ray,
collimator
This is created when a portion of an x-ray photon's energy is absorbed - ANSWER:Scatter radiaton
What is the primary source of occupational exposure - ANSWER:is Scatter radiation
Primary radiation - ANSWER:The x-ray beam that leaves the tube and is not attenuated, except by air
Primary radiation direction and location are - ANSWER:predictable and controllable
The energy of Primary is - ANSWER:controlled by the kilovoltage setting
Define scatter radiation - ANSWER:radiation is scattered or created as a result of the attenuation of
the primary x-ray beam by matter
What travels in all direction from scattering medium and is difficult to control - ANSWER:scatter
radiation
Scatter radiation generally , has - ANSWER:less energy than the primary beam
The x-ray tube consist of - ANSWER:cathode and anode
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