Exam 20: Diagnostic and Therapeutic Modalities

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Magnification studies of the breast and breast specimens should use a focal spot size of:

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A

There have been some documented adverse long-term effects for childbearing-age technologists working in an MRI department,but additional studies are needed to affirm this.

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Which of the following is most effective in demonstrating a breast with an implant?

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C

CSF will appear as a bright signal on T1-weighted images.

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Which of the following projections best demonstrates the axillary tissue of the breast and a portion of the pectoral muscle?

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MATCHING Select the correct pathologic indication for each description of a radiographic appearance.(Use each choice only once.) -Breast lesion with clustered calcifications with irregular margins

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What type of pulse sequence is generally performed when MRI contrast media is given?

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What projection should be performed if a deep lesion in the axillary tissue is not seen on the exaggerated craniocaudal projection?

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Which of the following pulse sequences will produce a myelographic effect showing sharp contrast between the spinal cord and CSF?

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All tissues within the same strength magnetic field respond at the same relaxation rates.

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Another term for Cooper's ligament is the suspensory ligament.

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The risk of breast cancer occurring in men is about ____ of that for women.

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Cobalt 60 units emit gamma rays at an average energy of ____ MeV.

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Ten to 20 pounds of compression of the breast is typically used during mammography.

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Which of the following devices is subject to torquing within the magnetic field?

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Glucose metabolism in the brain naturally increases as an individual grows older.

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Neural activity in the brain during a functional MRI procedure is gauged by the:

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Which of the following is NOT a contraindication for a bone densitometry procedure?

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Which of the following imaging modalities can best distinguish between a solid mass or a cyst in the breast?

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Which PET perfusion tracer is given to determine whether certain areas of the heart are receiving sufficient blood flow (perfusion)?

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