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RAD Tech Glossary Matching
X-ray Quantity
A measure of the number of xray photons in the useful beam
Reciprocity Law
The density on an xray should remain unchanged as long as the intensity and duration of exposure remains the same
15 Percent Rule
An increase in kVp by 15 percent that causes a doubling in exposure
X-ray Quality
Measurement of the penetrating ability of the xray beam
Milliamperage-second (mAs)
The product of tube current and exposure time
Direct Square Law
Prime Factor
Factors related to xray emission directly under control of radiographer
Penetrability
The ability of xrays to pass through structures and tissues
Milliamperage (mA)
A measurement of xray tube current
X-ray Quantity
A measure of the number of xray photons in the useful beam
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