Which is the recommended method for attaching a haul line to a firearm?

One of the important concepts from the Nuremberg Code is that of ____, which means that the subject understands the scope of the study and can make an informed decision to participate.

A. informed consent B. voluntary consent C. beneficence D. primary agent

Formal business stationery on which the doctor's name and address are printed at the top is ____.  

A.  a signature block B.  the identification line C.  full-block style D.  letterhead E.  a template