Chapter two final
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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| show | controls the energy(penetrating power) of the x-ray beam
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| show | controls the quantity or number of x-ray produced
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| show | controls duration of the exposure usually expressed in milliseconds
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| Image quality factors for radiograph images | show 🗑
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| Density | show 🗑
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| Controlling Factors of Density | show 🗑
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| Adjusting Film density | show 🗑
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| show | cathode end to thicker part of patient except in chest xrays
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| Contrast | show 🗑
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| show | kV higher kV produces lower contrast (less shades of grey) 15% increase in kV will increase film density similar to doubling mA's
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| Grids | show 🗑
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| show | the CR is not centered along the center of the axis of the grid
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| Off level grid | show 🗑
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| show | must be used a certain SID to prevent grid cut off
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| Up side down grid | show 🗑
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| show | recorded sharpness on the image
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| Controlling Factors | show 🗑
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| Distortion | show 🗑
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| show | SID,OID object image receptor alignment and Central ray alignment
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| Digital Imaging | show 🗑
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| Exposure Factors for Digital Imaging | show 🗑
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| show | Brightness, Contrast, Resolution, Distortion,Exposure index, Noise
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| Brightness | show 🗑
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| show | the difference in brightness light and dark areas of an image
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| Contrast Resolution | show 🗑
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| Controlling Factors for Brightness | show 🗑
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| pixels | show 🗑
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| bit depth | show 🗑
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| show | acquisition pixel size-minimum size (important one) display pixel size-minimum that can be displayed on monitor
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| show | the recorded sharpness or details of a structure
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| Controlling Factors of Resolution in DI | show 🗑
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| Distortion | show 🗑
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| show | a numeric value that is Representative of the exposure that the IR has received
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| "s" number | show 🗑
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| show | is directly proportional to the radiation that strikes the IR
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| Noise | show 🗑
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| SNR | show 🗑
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| Computed Radiology | show 🗑
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| Collimation | show 🗑
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| 30% Rule | show 🗑
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| show | picture archiving communication systems
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| show | Digital imaging Communication in Medicine
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| show | As low as reasonably achievable
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| show | radiation exposure in the air
measured on rem( radiation protection) rads (patient dose)
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| Rads | show 🗑
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| show | 5 rem (50 mSv) of whole body effective dose per year
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| show | *frequent exposure*.1 ren (1 mSv) per year not frequent .5 rem (5mSv)
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| show | .05 rem (.5 mSv) per month
.5 rem (5 mSv) for gestation period
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| show | Always wear protection, restraining devices, collimation, proper technique *time distance and shielding*
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| SEE | show 🗑
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| Effective dose high | show 🗑
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| Floro limit | show 🗑
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| Accurate Collimation | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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