1. A typical scan field of view when performing axial slices in a non-contrast head CT is 28cm.
Correct Answer: True
2. An epidural hematoma is demonstrated on a CT image by an decreased density (black) region that follows the contour of the brain cortex.
Correct Answer: False
3. A metastatic brain tumor has the appearance of a ring-enhancing lesion on an intravenous contrast enhanced CT examination of the brain.
Correct Answer: True
4. A common artifact outside the control of the technologist and resulting from a failure of the CT system devices is referred to as a ring artifact.
Correct Answer: False
5. Changes in ischemic stroke on a CT image may include loss of the gray-white matter interface, loss of sulci, and an acute hypodensity and mass effect.
Correct Answer: True
6. When performing a femur CT examination, it is preferable to use a field of view sufficient to accommodate the femur of interest.
Correct Answer: False
7. The optimal or best plane for visualization of the uterus in a CT procedure of the female pelvis is the coronal plane.
Correct Answer: False
8. When performing an abdomen and pelvis CT examination axial slices are typically performed from the level of the muscular diaphragm to the level of the iliac crest.
Correct Answer: False
9. A patient with asthma will have a high propensity for an allergic reaction to intravenous iodinated contrast media.
Correct Answer: True
10. When performing a CT of the thorax, anatomical coverage is typically from the apices of the lungs to the adrenal glands.
Correct Answer: True
11. A delayed acquisition may be necessary when performing CTA of the abdomen for visualization of the portal vein.
Correct Answer: True
12. CT Angiography is a useful protocol for imaging a meningioma.
Correct Answer: False
13. CT Angiography is utilized for evaluation of aortic dissection.
Correct Answer: True
14. The artery arising from the abdominal aorta at the level of L1/L2, which give rise to the hepatic, splenic and gastric arteries is called the celiac artery.
Correct Answer: True
15. The abdominal aorta directly bifurcates into the right and left external femoral arteries.
Correct Answer: False
16. The most common malignant tumor of the chest with a highly invasive tendency is emphysema.
Correct Answer: False
17. The use of high resolution CT of the chest is key to imaging interstitial lung disease.
Correct Answer: True
18. CT is the modality of choice for the evaluation of pulmonary embolism which is caused by deep vein thrombosis.
Correct Answer: True
19. A condition where the patient has irreversible dilatation of the bronchi and bronchioles is called bronchiectasis.
Correct Answer: True
20. The aorta arises from the right ventricle.
Correct Answer: False
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