general rad tech info

Optical Density

Degree of image blackening
Contrast

The difference in density of any two areas on a radiograph
Recorded Detail

The ability to visualize small structures
Distortion

misrepresentation of the size or shape of any anatomical structure
What three things control radiographic density
- time (seconds)
- Milliamperage (mA)
- combination of milliamperage and time (mAs)
What exposure factor controls radiographic contrast

Kilovolt Peak (kVp)
two details taht control magnification
- OID
- SID
what is the easiest and most convenient method to prevent the spread of microorganisms

washing hands
compensating filter

attenuating device used to compensate for varations in tissue densities
simplest and most common filter shape is

wedge
two materials used to make filters
- leaded plastic
- aluminum
disadvantage of aluminum filters

blocks field light
composition of Boomerang

silicon rubber compound
disadvantage of plastic leaded filter

heavy
ferlic swimmer's filter may improve

lateral projections of the cervicothoracic spine

Author

Anonymous

27738

Card Set

general rad tech info

Description

filters and more

Updated

2010-07-23T05:26:58Z

Show Answers