Which nuclear medicine studies are used to detect cerebrovascular disease, seizures, and tumors?
a. PET c. MRA
b. MRI d. SPECT
D
The single-photon emission computed tomography (SPECT) test differs from positron emission tomography (PET) in that tracer stays in the bloodstream rather than being absorbed by surrounding tissue, thereby limiting the images to areas where blood flows. SPECT is cheaper and more readily available than higher resolution PET. The major clinical uses of SPECT are to detect cerebrovascular disease, seizures, and tumors. Magnetic resonance imaging and magnetic resonance angiography are radiographic imaging examinations.
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A. Glycosylated hemoglobin B. Thromboembolism C. Anemia D. Thrombocytopenia
Which of the following drugs do not affect the thyroid gland but are administered to inhibit the increased sympathetic responses that accompany hyperthyroidism?
A. Beta-adrenergic blocking drugs B. Calcium channel blockers C. Leukotriene inhibitors D. None of the above
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