Imaging Adler CH 6&7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Protective layer of gelatin that provides sturdiness and reduces damage (film) | supercoat/overcoat
🗑
|
||||
| film layer that holds and forms the latent image and is composed of silver halide crystals | emulsion layer
🗑
|
||||
| what are the types of silver halide crystals | silver bromide (AgBr),silver iodide (AgI)
🗑
|
||||
| What is the shape of crystal that absorbs more photons, uses a thinner emulsion, and speeds up processing? | tubular crystal
🗑
|
||||
| what film layer hold emulsion in place, allows even distribution, and is a seperate suspension of silver halide crystals | Gelatin layer
🗑
|
||||
| which film layer is the foundation of the radiograph and made of polyester | film base
🗑
|
||||
| what does blue tint do? | contributes to base fog but helps with eye strain
🗑
|
||||
| blue tint is found in which film layer? | film base
🗑
|
||||
| which film layer binds emulsion to film base and acts as the "glue"? | Adhesive layer
🗑
|
||||
| What year was the Gurney Mott Theory developed? | 1938
🗑
|
||||
| how fast you make a latent image | speed
🗑
|
||||
| Increase in crystal size, ____ speed, ____ resolution | increase, decrease
🗑
|
||||
| Increase in layer thickness, ____ screen speed, ____ resolution | increase, decrease
🗑
|
||||
| scale that a diagnostic image can be produced at | Exposure latitude
🗑
|
||||
| high contrast films have ________latitude low contrast film has ________ latitude | narrow, wide
🗑
|
||||
| the ability of a radiographic film to provide a certain level of image contrast | film-screen contrast
🗑
|
||||
| the measurement of the characteristic response of film to exposure and processing | sensitometry
🗑
|
||||
| what are the 4 names of the density curve produced by graphing the exposures of a penetrometer exposure | D log E curve, H&D curve, characteristic curve, sensotomic curve
🗑
|
||||
| blue tint has ____ OD | .2
🗑
|
||||
| QC for processor | sensitometer
🗑
|
||||
| instrument that provides a read out of the amount of blackness on a film | Densitometer
🗑
|
||||
| what is the diagnostic range of OD? | 0.50 and 2.0
🗑
|
||||
| intensifying screens were invented by __________ in _______ | Thomas Edison, 1896
🗑
|
||||
| over ____% of the latent image is formed by the light from the screen; less than ____% is formed by the incident photons | 99%, 1%
🗑
|
||||
| gannaliteum is __________ | green light
🗑
|
||||
| if not spectroly match you need to increase _______ | time (mAs)
🗑
|
||||
| why are rare earth phosphors used? | high atomic #, found in nature, high resolution
🗑
|
||||
| What is an intensifying screens main purpose? | to amplify / light up photons
🗑
|
||||
| a chemical compound that emits visible light when struck by radiation | phosphor
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
100001051240277
Popular Radiology sets