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| Q. |
Regarding attachments to the thoracic cage: |
| A. | pectoralis major has slips of origin from the upper 8 costal cartilages |
| B. | the first digitation of serratus anterior attaches to the 1st and 2nd rib |
| C. | rectus abdominus is attached to the anterior surfaces of the 7th to 10th costal cartilages |
| D. | iliocostalis and longissimus, parts of erector spinae, are attached between the heads and tubercles of each rib |
| E. | serratus anterior is attached to the lower 8 ribs |
| Answer» B. the first digitation of serratus anterior attaches to the 1st and 2nd rib | |
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