42.In contrast to radiologic procedures, which determine the presence of disease based on
structural appearance, nuclear medicine studies determine the cause of a medical problem
based on organ or tissue function physiology.
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37.The powerful magnetic flied of the MR system will attract iron-containing (also known as ferromagnetic) objects.
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3.It offers a comprehensive range of imaging services and advanced procedures to diagnose a wide variety of conditions .
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40.A contrast agent calld gadolinium may be injected into a vein to help obtain clearer picture of the area being examined.
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44.At the present time, the eriphasis of nuclear medicine studies is more on its function and
chemistry than anatomic structure.
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24.CT produces a volume of data which can be manipulated ,through a process known as “windowing” , in order to demonstrate warriors bodily structures based on their ability to block the
X-ray beam.
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48.A full PACS should provide a single point of access for images and their associated data. That is, it should support all digital modalities, in all departments, throughout the enterprise.
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19.Therefor ,like the conventional X-ray images , the shadow indicates low absorption area , namely the low density area such as lungs ; and the bright indicates the high absorption area, namely the high density area ,such as bone.
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52.DICOM differs from some, but not all, data formats in that it groups information into data sets. That means that a file of a chest X-ray image, for example, actually contains the patient ID within the file, so that the image can never be separated from this informatio by mistake.
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34.Resistive magnets have conventional thick copper windings and generate a great deal of heat.
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