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X-ray Emissions Exam Study Guide.
X-ray Quantity - Answers✔Number of x-rays in the useful beam.
X-ray Intensity - Answers✔Equivalent to x-ray quantity and radiation exposure.
Radiation Exposure Units - Answers✔Measured in roentgen, rad, or gray.
Diagnostic Exposure Range - Answers✔Typically in milliroentgen (mR) or milligray (mGy).
Exposure Rate - Answers✔Radiation exposure per unit time.
mAs - Answers✔MilliAmpere second, related to x-ray quantity.
kVp - Answers✔Peak kilovoltage applied across x-ray tube.
Inverse Square Law - Answers✔Radiation intensity inversely proportional to distance squared.
Half Value Layer - Answers✔Thickness of material reducing x-ray intensity by half.
Factors Affecting X-ray Quantity - Answers✔Includes mAs, kVp, distance, and filtration.
mAs and Quantity Relationship - Answers✔Directly proportional; doubling mAs doubles quantity.
kVp and Quantity Relationship - Answers✔X-ray quantity proportional to kVp squared.
Distance Effect on Quantity - Answers✔Doubling distance reduces quantity by four times.
Filtration Effect on Quantity - Answers✔Increased filtration reduces x-ray quantity.
Radiation Exposure Calculation - Answers✔Use mAs ratio to find new exposure.
Criss Cross Applesauce Math - Answers✔Method for calculating new radiation exposure.
mR - Answers✔Unit of measurement for radiation exposure.
mGy - Answers✔Unit of absorbed radiation dose in gray.
Patient Entrance Exposure (ESE) - Answers✔Radiation dose received by patient during imaging.
Doubling kVp Effect - Answers✔Increases x-ray quantity by four times.
Tripling kVp Effect - Answers✔Increases x-ray quantity by nine times.
ALL RIGHTS RESERVED.
X-ray Emissions Exam Study Guide.
X-ray Quantity - Answers✔Number of x-rays in the useful beam.
X-ray Intensity - Answers✔Equivalent to x-ray quantity and radiation exposure.
Radiation Exposure Units - Answers✔Measured in roentgen, rad, or gray.
Diagnostic Exposure Range - Answers✔Typically in milliroentgen (mR) or milligray (mGy).
Exposure Rate - Answers✔Radiation exposure per unit time.
mAs - Answers✔MilliAmpere second, related to x-ray quantity.
kVp - Answers✔Peak kilovoltage applied across x-ray tube.
Inverse Square Law - Answers✔Radiation intensity inversely proportional to distance squared.
Half Value Layer - Answers✔Thickness of material reducing x-ray intensity by half.
Factors Affecting X-ray Quantity - Answers✔Includes mAs, kVp, distance, and filtration.
mAs and Quantity Relationship - Answers✔Directly proportional; doubling mAs doubles quantity.
kVp and Quantity Relationship - Answers✔X-ray quantity proportional to kVp squared.
Distance Effect on Quantity - Answers✔Doubling distance reduces quantity by four times.
Filtration Effect on Quantity - Answers✔Increased filtration reduces x-ray quantity.
Radiation Exposure Calculation - Answers✔Use mAs ratio to find new exposure.
Criss Cross Applesauce Math - Answers✔Method for calculating new radiation exposure.
mR - Answers✔Unit of measurement for radiation exposure.
mGy - Answers✔Unit of absorbed radiation dose in gray.
Patient Entrance Exposure (ESE) - Answers✔Radiation dose received by patient during imaging.
Doubling kVp Effect - Answers✔Increases x-ray quantity by four times.
Tripling kVp Effect - Answers✔Increases x-ray quantity by nine times.
