Job interview question?

I have an upcoming job interview and I know the format of the interview will be point allocated questions pertaining to my knowledge of the field this position is in. I don't know what the questions will be, but feel anxious that I may not articulate my answers really well because of nervousness and thus I will not give a full picture of my skill level and suitability for the position. In an interview structured such as this...how can I get the interviewers to know me and my skills/suitability beyond their knowledge based questions. I realize they will likely read into more then my answers, but on a point structured interview will those other things be weighted as part of the interview...and would it be appropriate for me to ask that question of the interviewers?