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5 Cards in this Set
- Front
- Back
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Which of the following is NOT an indication of a herniated disk?
1. deformity of the posterior border of the disk 2. displacement of epidural fat 3. hypertrophy of the inferior articulating process and lamina a. 1 only b. 2 only c. 3 only d. 1, 2 & 3 |
c. 3 only
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On a CTA exam of lower extremity vasculature to assess atherosclerosis, coverage should extend from the ______________ to the _______________.
a. abdominal aorta, ankles b. abdominal aorta, iliac arteries c. iliac arteries, femoral arteries d. iliac arteries, popliteal arteries |
a. abdominal aorta, ankles
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What is the primary reason to have a patient phonate the letter "e" during a CT exam of the larynx?
a. it closes the pyriform sinuses b. it demonstrates vocal cord mobility c. it distends the laryngeal ventricles d. it provides definition of the epiglottis |
b. it demonstrates vocal cord mobility
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Which of the following combinations of scanning parameters is best for evaluating abnormalities within the petrous pyramids of the temporal bones?
a. sharp algorithm, window width = 2500, 0.5 to 3mm slices b. standard algorithm, window width = 2500, 4 to 8mm slices c. standard algorithm, window width = 300, 0.5 to 3mm slices d. soft algorithm, window width = 300, 0.5 to 3mm slices |
a. sharp algorithm, window width = 2500, 0.5 to 3mm slices
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Which of the following window settings provides the best tissue differentiation of the soft tissues of the supratentorium?
a. window width = 1000, window level = 200 b. window width = 300, window level = 60 c. window width = 2500, window level = 350 d. window width = 100, window level = 30 |
d. window width = 100, window level = 30
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