Radiology - Bushong Chapter 4,
Electromagnetic Energy
Electromagnetic energy - answer The energy of light and other forms of radiation.
The smallest quantity of any type of electromagnetic energy.
An atom of light. - answer Photon
Frequency - answer The number of complete waves that pass a given point in a certain
amount of time
Wavelength - answer The distance between two corresponding parts of a sine wave
Amplitude - answer Height of a wave
Unit of measurement for frequency – answer Hertz (Hz)
Which is not part of the electromagnetic spectrum - answer Ultrasound
The energy of a photon is ________________ proportional to its frequency. - answer
Directly
Name all the energies that make up the electromagnetic spectrum.
hint: there are 7 - answer1. Gamma Rays
2. X-rays
3. Ultraviolet (UV)
4. Visible light
5. Infrared (IR)
6. Microwaves
7. Radiofrequency (RF)
Term which describes when photons of visible light deviate from their line of travel. -
answerRefraction
T/F: The only difference between x-rays and gamma rays is their origin. - answerTrue
T/F: When an x-ray imaging system is operated at 80 kVp, the x-rays it produces keeps
a constant 80 keV - answerFalse. It ranges from 0 to 80 keV
X-rays have a much _________ frequency and a ________ wavelength when
compared to visible light. - answerHigher, shorter
Electromagnetic Energy
Electromagnetic energy - answer The energy of light and other forms of radiation.
The smallest quantity of any type of electromagnetic energy.
An atom of light. - answer Photon
Frequency - answer The number of complete waves that pass a given point in a certain
amount of time
Wavelength - answer The distance between two corresponding parts of a sine wave
Amplitude - answer Height of a wave
Unit of measurement for frequency – answer Hertz (Hz)
Which is not part of the electromagnetic spectrum - answer Ultrasound
The energy of a photon is ________________ proportional to its frequency. - answer
Directly
Name all the energies that make up the electromagnetic spectrum.
hint: there are 7 - answer1. Gamma Rays
2. X-rays
3. Ultraviolet (UV)
4. Visible light
5. Infrared (IR)
6. Microwaves
7. Radiofrequency (RF)
Term which describes when photons of visible light deviate from their line of travel. -
answerRefraction
T/F: The only difference between x-rays and gamma rays is their origin. - answerTrue
T/F: When an x-ray imaging system is operated at 80 kVp, the x-rays it produces keeps
a constant 80 keV - answerFalse. It ranges from 0 to 80 keV
X-rays have a much _________ frequency and a ________ wavelength when
compared to visible light. - answerHigher, shorter
