In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: (kV)Answer: controls the (penetrating power) of the x-ray beam Question: (mA)Answer: controls the quantity or number of x-ray Question: time (ms)Answer: controls duration of the exposure usually in milliseconds Question: quality factors for radiograph imagesAnswer: Density, Contrast, Resolution and Question: Answer: amount of "blackness" on the radiograph Question: Controlling of DensityAnswer: mA's are main and SID is Question: Film densityAnswer: mA's of 25% to 30% to make change Question: Heel affectAnswer: end to thicker part of patient except in chest xrays Question: Answer: the difference in density between adjacent areas of radio graphic Question: Controlling of ContrastAnswer: kV higher kV produces lower contrast (less shades of grey) 15% in kV will increase film density similar to doubling mA's Question: Answer: used for body parts 10 com or Question: off center Answer: the CR is not along the center of the axis of the grid Question: Off gridAnswer: CR and grid are not in angles Question: off gridAnswer: must be used a SID to prevent grid cut off Question: Up side down grid Answer: grid put in up side Question: ResolutionAnswer: recorded sharpness on the Question: Controlling Answer: spot size, SID and object image receptor distance Question: Answer: misrepresentation of object size or Question: Controlling for distortionAnswer: SID,OID object image receptor and Central ray alignment Question: Digital Answer: a numeric representation of the x-ray that are transmitted to the patient Question: Exposure Factors for ImagingAnswer: mA's, kV's Question: Image Quality Factors for Answer: Brightness, , Resolution, Distortion,Exposure index, Noise Question: BrightnessAnswer: the intensity of a light that represents the individual images on a =(similar to density) Question: Contrast in Answer: the difference in brightness light and dark of an image Question: ResolutionAnswer: ability of an imaging system to distinguish similar tissue Question: Controlling Factors for Answer: the Question: pixelsAnswer: a single of grey Question: bit Answer: the greater the contrast resolution the greater the bit Question: sizeAnswer: acquisition pixel size-minimum size (important one) display pixel size-minimum that can be on monitor Question: Resolution in Answer: the recorded sharpness or details of a Question: Controlling Factors of Resolution in Answer: display matrix, size Question: Answer: misrepresentation of object size or shape as onto radiographic recording media Question: indexAnswer: a numeric that is Representative of the exposure that the IR has received Question: "s" Answer: inversely proportional to radiation that the IR Question: index Answer: is directly proportional to the that strikes the IR Question: NoiseAnswer: a disturbance that obscures or reduces clarity Question: SNRAnswer: Signal-to-noise high good low bad Question: RadiologyAnswer: similar to film screen but using digital Question: Answer: used to patient dose and scatter Question: 30% Rule Answer: at least 30% of IR must be Question: Answer: picture archiving communication Question: Answer: Digital imaging Communication in Question: ALARAAnswer: As low as achievable Question: (R)Answer: exposure in the air
measured on rem( radiation protection) rads (patient dose)
Question: RadsAnswer: patient dose of Question: recommendations Answer: 5 rem (50 mSv) of body effective dose per year Question: publicAnswer: *frequent exposure*.1 ren (1 mSv) per year not .5 rem (5mSv) Question: Pregnant Answer: .05 rem (.5 mSv) per .5 rem (5 mSv) for gestation period Question: principles Answer: Always wear , restraining devices, collimation, proper technique *time distance and shielding* Question: SEEAnswer: Skin entrance Question: dose highAnswer: male-AP unshielded hip
Female-AP thoracic spin w/o shields Question: Floro Answer: 10 R/min Question: CollimationAnswer: limiting the size and of the x-ray beam to only clinical intrest |
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:
kelmccauley
Popular Radiology sets