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| Q. |
With regard to the cutaneous innervation of the thorax and abdomen: |
| A. | above the 2nd rib, the skin is supplied by the cervical plexus (C4) |
| B. | loss of a single spinal segment will produce a sensory deficit |
| C. | it is supplied segmentally by the anterior primary rami of T1 to L1 |
| D. | T8 supplies skin at the level of the umbilicus |
| E. | the lower eight thoracic nerves pass beyond the costal margin to supply the skin of the abdominal wall |
| Answer» A. above the 2nd rib, the skin is supplied by the cervical plexus (C4) | |
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