Which instrument is used to remove marrow from the canal of long bones for placement of prostheses?

Which anatomy must be demonstrated on an AP axial trauma c-spine?

C3-7 C1-7 C1-5 C1-2

The dateline, complimentary closing, signature block, and notations are aligned and begin at the center of the page or slightly to the right in the 

A. modified-block letter style. B. full-block letter style. C. simplified letter style. D. modified-block letter style with indented paragraphs.