Q.

Regarding intercostal blood vessels:

A. in each space there are single anterior and posterior intercostal veins
B. right sided superior intercostal vv drain into the brachiocephalic vein
C. the second intercostal space does not contain a posterior intercostal artery
D. all intercostal vv are branches of the descending thoracic aorta
E. all this is clinically relevant
Answer» C. the second intercostal space does not contain a posterior intercostal artery
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