Superior vena cava syndrome is a progressive _____ of the superior vena cava that leads to venous distention of the upper extremities and head.
A) inflammation
B) obstruction
C) distention
D) sclerosis

Question

Quizplus · Accepted Answer

Superior vena cava syndrome is caused by obstruction, usually by a tumor or thrombosis, that leads to venous distention in the upper extremities and head.

Superior Vena Cava Syndrome Is a Progressive _____ of the Superior