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RAD 0318 Part II Quiz

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1. An adrenal mass that measure less than or equal to 10 HU on unenhanced CT:




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2. Why is it recommended to position the patient for a shoulder CT so that the unaffected arm is extended over the patient's head?




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3. What must happen to a thrombus for it to be referred to as an embolus?




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4. What heart valve is located between the right atrium and the right ventricle?




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5. What explains the diversity in clinical presentation of acute appendicitis?




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6. For what study might data be acquired while the patient is lying prone on the CT table?




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7. A patient is being positioned for a routine scan of the brain. Why is he asked to tuck his chin down toward his chest?




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8. Compared with a cerebral CTA, what parameter must be changed for a cerebral CTV?




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9. A noncontrast CT of the abdomen is ordered on Mr. Smith. The primary indication is a 15-year history of alcoholism. What can the technologist do to help the radiologist determine whether the patient has a fatty liver?




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10. What percentage of urinary tract calculi will be seen on non contrast helical computed tomography?




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11. coronary artery disease




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12. 110 seconds




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13. 350 ww; 70 wl




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14. To check the pelvis and lower extremities for deep vein thrombosis




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15. To reduce artifacts attributable to patient motion




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16. risks related to the radiation dose are a concern; for asymptomatic patients with no cardiac risk factors, it is not certain that the benefit of the exam outweighs the risks from the radiation exposure




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17. to assess possible liver metastasis from a primary thyroid tumor




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18. patient's heart rate is higher than 65 bpm




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19. portal venous phase




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20. A sampling technique that is intended to provide representative areas of the lung





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