Radiologic Science for Technologists,

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Bushong: Radiologic Science for Technologists, 10th Edition Chapter 17: Digital Radiographic Technique Test Bank MULTIPLE CHOICE 1. The two principal characteristics of a medical image are _____.... a. spatial resolution and noise b. spatial resolution and contrast resolution c. contrast resolution and modular transfer function d. contrast resolution and dynamic range ANS: B Spatial resolution and contrast resolution are the two principal characteristics of a medical image. DIF: Moderate REF: page 306 OBJ: Describe the principal characteristics of the medical image. 2. Spatial frequency is used to describe the quality of spatial resolution in terms of _____. a. pixel size b. modular transfer function c. line pairs d. contrast resolution ANS: C In medical imaging, the quality of spatial resolution is measured by the quantity of spatial frequency. DIF: Moderate REF: page 306 OBJ: Identify the use of spatial frequency to describe spatial resolution. 3. In digital imaging, spatial resolution is ultimately limited by _____. a. focal spot size b. spatial frequency c. contrast resolution [Show More]

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