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| Unit used to indicate total quantity of x-rays in an exposure | mAs
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| How do you correct an overexposed radiographic image? | decrease mAs
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| How do you correct an underexposed radiographic image? | increase mAs
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| The overall darkness or "blackness" within a radiographic image | density
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| The difference in density between adjacent portions of the image. | radiographic contrast
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| Generalized unwanted exposure on the image. | fog
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| A variation in size or shape of the image as compared with the subject it represents. | distortion
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| Another name for size distortion. | magnification
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| Distance between the body part and the IR | object image distance (OID)
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| A change from small focal spot to large focal spot results in | decreased image sharpness
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| An increase in OID will result in | increased magnification
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| With a large OID, reduction of magnification is accomplished by | increasing the SID
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| If a radiographic image is blurred due to motion, which exposure factor should be used to correct this problem | decrease in exposure time (seconds)
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| The first step to reduce voluntary patient motion | communicate with the patient
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| Effect of magnification on recorded detail | decreases recorded detail
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