The intercostal arteries, veins, and nerves run through which of the following?
a. Costal groove on the top of each rib
b. Costal groove on the bottom of each rib
c. Fibers of the intercostal musculature
d. Surface of the parietal pleura
ANS: B
Just below each rib are a thoracic artery, vein, and nerve that supply blood flow and nerve com-munications to that region of the chest wall (Figure 9-17).
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