When you are exercising, you're blood pressure is elevated. When you are finished exercising, it will recede to near it's normal state. Exercise doesn't have as much of an affect as weight does, but I guess all these things are all kind of inter-related. The more physically fit you are, the lower your blood pressure, in general.
Hamstring or patellar tendon. a cadaver ACL could also be used
the differences come down to the individual patient as well as the surgeon
c. Empathize, validate, repeat key words, and be patient and non-threatening.