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Quiz yourself by thinking what should be in
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| a device that moves the grid during a radiographic exposure is called a | show 🗑
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| show | range of part thickness
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| a grid absorbs | show 🗑
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| a grid is used to improve | show 🗑
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| show | perpendicular
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| a Thoreaus filter combines all of the following except; silver, copper, tin, aluminum | show 🗑
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| air produces a ___image receptor exposure than any other body substance | show 🗑
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| all filtration can be expressed in terms of the thickness of | show 🗑
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| show | grid cut-off
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| as a general rule, a grid is employed when the body part thickness exceeds___cm | show 🗑
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| as a general rule, a grid is employed when kVp exceeds | show 🗑
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| show | scatter increases
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| as the lead content of a grid increases | show 🗑
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| attenuation is greater for elements with more___with which the photons may interacts | show 🗑
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| bone produces less image receptor___because it attenuates the x-ray beam more than soft tissue does | show 🗑
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| show | 4 to 5
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| show | removing low-energy photons
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| show | it decreases patient dose
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| filtration is the process of eliminating undesirable___by the insertion of absorbing materials into the primary beam | show 🗑
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| show | narrow
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| show | decrease patient dose, reduce x-ray tube wear, decrease time settings
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| show | increase the consistency of image density, increase the consistency of image contrast, lengthen exposure latitude
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| show | produce more scatter radiation than other systems
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| show | convergence
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| show | measured body part thickness
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| show | 3
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| in a fixed kilovoltage system, the___is held constant | show 🗑
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| in a fixed kVp system, the kVp is held constant | show 🗑
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| show | are absorbed by the patient
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| show | 2
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| most of the inherent filtration of a typical x-ray equipment comes from the | show 🗑
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| once phantom images have been produced, they must be shown to | show 🗑
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| photon absorption within the body occurs as the result of | show 🗑
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| show | radiographic contrast
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| steps formed for a variable kVp exposure system should be in groups of___cm increments | show 🗑
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| technique systems function best when a | show 🗑
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| show | decreased contrast
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| the amount of material that will reduce the intensity of the primary beam to one-half its original value is the | show 🗑
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| show | increase in patient thickness, larger field size, decrease in atomic number of the tissue
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| show | added
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| show | subject contrast
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| show | caliper
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| the effective use of a variable kVp technique chart requires | show 🗑
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| show | patient
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| show | Al/Eq
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| the higher the kVp, the | show 🗑
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| show | compton
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| the kVp has a profound effect on | show 🗑
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| the mAs values for a fixed kVp system must be set at minimum increments of ___percent | show 🗑
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| the most common filter material used is | show 🗑
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| show | frequency
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| show | highest kVp & lowest contrast
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| the optimal kVp must ensure | show 🗑
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| show | mAs
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| show | Thoreaus filter
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| show | radiopaque strips
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| show | absorb scatter, are made of dense material, have a high atomic number
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| the ratio of the height of the lead strips to the distance between the lead strips is the grid | show 🗑
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| the use of the max kVp as optimal causes a corresponding decrease in | show 🗑
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| the___the bidy part, the___the attenuation | show 🗑
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| show | PEP
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| show | inherent and added
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| variable kVp systems | show 🗑
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| show | inherent
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| when AEC systems are used, the selection of___ factors is eliminated | show 🗑
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| when an x-ray beam passes through the body | show 🗑
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| when establishing a technique chart, the initial step involves | show 🗑
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| show | linear
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| when viewing phantom images, professionals are not asked to select the | show 🗑
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| which grid would have the greates distance between lead strips | show 🗑
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| which grid would most effectively reduce scatter | show 🗑
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| which of the following elements would attenuate a greater percentage of the x-ray beam; hydrogen, barium, oxygen, carbon | show 🗑
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| show | hydrogen
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| which of the following materials are used as a filter; glass, oil, aluminum | show 🗑
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| ___ compensating filters is used most commonly in thoracic spine radiography | show 🗑
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| the thickest portion of the wedge filter is placed over the less dense part of the patient | show 🗑
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| a grid is a series of radiopaque strips that alternate with radiolucent interspace strips | show 🗑
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| show | inherent
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reetherockgoddess