What is responsible for the total absorption of the incoming x-ray photon?
Photoelectric effect
100
The reduction in the original number and energy of x-ray photons as they interact with atoms in the patient is called:
attenuation
100
The electron that is ejected during the Compton interaction is also known as a: secondary electron and compton electron
secondary electron and compton electron
100
What is the percentage of the primary beam that interacts with patient tissue that actually strikes the image receptor?
less than 5%
100
Which of the following factors determines the absorption characteristics of the beam?
atomic number, thickness, density, energy of the beam
200
Which interaction increases patient dose?
photoelectric interaction
200
When the x-ray photon travels completely through the part?
transmission
200
Which interaction causes unwanted exposure to the image, known as fog?
compton
200
Photoelectric effect usually occurs between an incident photon and:
an inner shell electron
200
The remnant beam includes:
transmitted radiation, scattered radiation
300
What is the term that describes incoming photons that are not absorbed but instead lose energy during interactions with the atoms comprising the tissue?
Scatter
300
The term for the x-ray beam that exits the patient is?
remnant radiation
300
During which patient interaction is the incident photon absorbed by the atom?
photoelectric
300
Which of the following processes occur during the x-ray beam interaction with tissue?
Absorption, transmission, scattering
300
A fewer amount of photons reaching the IR has what effect on the formation of the image?
The visibility of quantum noise is increased.
400
What describes the wavelength and frequency of a Compton scattered ray compared to the incident ray?
decreased frequency and increased wavelength
400
which of the following types of tissue is an x-ray photon most likely to undergo the photoelectric effect?
bone
400
To increase the proportion of photoelectric interactions (compared to Compton) in the patient, one should:
decrease kVp
400
The process where by a radiographic image is created by variations in absorption and transmission of the exiting x-ray beam is known as___________.
differential absorption
400
The probability that an x-ray will undergo Compton interactions increases or decreases with increasing x-ray energy?
decreases
500
At higher kilovoltage, _____ photon interactions occur, resulting in _____ transmission.
fewer, increased
500
A high energy photon strikes an inner shell bound electron. All of its energy is absorbed by the electron which is ejected from orbit.
photoelectric effect
500
Which of the following interactions results in the production of a photoelectron?
photoelectric
500
When the x-ray photon travels completely through the part, that activity is called:
transmission
500
In regards to Compton scattering, the scattered x-ray has: