Question

within how many minutes after a drink is consumed all of the alcoholic content has probably been absorbed into the body

Answer 1

Withing 20 to 40 minutes after a drink is consumed the alcohol is absorbed into the body.
Obviously, this depends on a number of variables - the age of that person, the weight, how well they can metabolize alcohol, etc. But somewhere between twenty and forty minutes all alcohol is absorbed by any human body.