MCQOPTIONS
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| 1. |
The structure found in a cross-section of the thorax at T4 vertebra is: |
| A. | Azygos vein |
| B. | Brachiocephalic artery |
| C. | Arch of the aorta |
| D. | Left Subclavian artery |
| Answer» D. Left Subclavian artery | |