The simplest way to do this, and it doesn't need macros, is to create the message in Outlook. I would recommend using a simple two column table with the questions on one side and the answers on the other. Save it as a template, then create new messages from that template.
As all the replies will have the same format, it is relatively simple to collate the returns into Excel - see
http://www.gmayor.com/extract_data_from_email.htm,
or
http://www.gmayor.com/extract_email_data_addin.htm