Test 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| When filtration is increased, what must happen to the technical factors to maintain the same density | show 🗑
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| The half-value layer is typically expressed in | show 🗑
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| show | tungsten
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| Patient’s absorb x-ray photons | show 🗑
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| Problems of unequal subject density can be solved by using | show 🗑
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| show | cathode
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| Define total filtration | show 🗑
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| show | added
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| Most of the inherent filtration of a typical x-ray equipment comes from the | show 🗑
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| show | decreases
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| show | Low energy
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| show | yes
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| Filtration outside of the tube and housing is considered to be | show 🗑
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| Filtration is typically added between the and | show 🗑
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| show | Anything in the tube, makes up 1.5
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| show | 2 or more materials added together. Highest atomic # closest to the tube and the lowest closest to the pt
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| Even when filtration is increased, the percentage of attenuated photons | show 🗑
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| show | Decreased
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| show | dose
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| Define a half-value layer | show 🗑
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| Inherent filtration of a mammographic unit is than that of a regular diagnostic unit | show 🗑
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| show | increased
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| What does filtration permit the radiographer to do to the photon emission spectrum | show 🗑
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| If the half-value layer of diagnostic radiographic equipment is too low, it may be corrected by | show 🗑
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| When x-raying a thoracic spine, what compensating filter is most commonly used | show 🗑
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| show | Inherent
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| show | 3.0
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| show | 3
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| What is the predominant interaction through most of the diagnostic x-ray range in the human body | show 🗑
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| show | compton
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| What is an annihilation reaction | show 🗑
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| show | Any unwanted density form compton
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| At what energy level do electrons posses the highest total energy | show 🗑
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| Scatter is when | show 🗑
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| During photoelectric absorption, the ejected electron is called | show 🗑
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| show | Loss of energy as beam passes through matter
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| Compton scattering occurs when an incident x-ray photon interacts with a | show 🗑
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| show | Outer shell
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| Secondary radiation energies are highest when using during fluoroscopic examinations | show 🗑
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| What is a photoelectron | show 🗑
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| A scattered photon possesses as the incident photon during coherent scattering | show 🗑
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| The photon that exits the atom after a Compton scattering is called | show 🗑
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| During the process of attenuation, the x-ray photon may interact with | show 🗑
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| What happens if a photon interacts with matter and scatters | show 🗑
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| What shell electron is ejected during photoelectric absorption | show 🗑
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| show | interact
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| What happens to the x-ray photons in the beam during the process of attenuation | show 🗑
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| show | high
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| What is Photoelectric Absorption | show 🗑
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| What happens as the angle of deflection is increased from 0 to 180 degrees | show 🗑
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| As the angle increases the speed of the deflected e increases | show 🗑
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| has a significant impact on the x-ray image | show 🗑
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| Photoelectric interaction with matter results in a radiograph with scale | show 🗑
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| of contrast | show 🗑
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| During the photoelectric interaction, as an electron transfers from an outer shell to a vacant inner shell, energy is released in the form of | show 🗑
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| show | recoil
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| An interaction which occurs between very low energy x-ray photons and matter is called | show 🗑
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| show | ejected and the scattered
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| As the electrons shells move further from the nucleus, total electro energies | show 🗑
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| show | increase, decrease
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| During Compton scattering, the incident photon energy is divided between what | show 🗑
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| show | Energy from the x-ray photon is converted to matter in the form of 2 electrons
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| What is photon absorption | show 🗑
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| Energy released during the filling of the inner shell during photoelectric interaction is known as | show 🗑
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| During photoelectric interaction, the incident x-ray photon must be than the binding energy of the inner-shell electron | show 🗑
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| What happens during coherent scattering | show 🗑
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| What is backscatter | show 🗑
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| show | negatron
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| What happens as kVp increases, the total number of photons transmitted without interaction does what | show 🗑
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| show | greater
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| A photoelectric interaction is more likely to occur with an electron which is bound in its orbit | show 🗑
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| show | increase, increase
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| show | NA
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