Superior vena cava syndrome (SVCS), causing venous distention in the upper extremities, is a result of progressive superior vena cava:
a. inflammation.
b. occlusion.
c. distention.
d. sclerosis.
ANS: B
SVCS is a progressive occlusion of the SVC that leads to venous distention in the upper extremi-ties and head. This distention is not a result of progressive inflammation, distention, or sclerosis.
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