And actually in regards to test anxiety, it’s a different class of drugs usually than what you’d use for the more general anxiety disorders. e.g. propranolol you just take an hour before an exam vs. something you take every day. In fact speaking of surgeons…http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1298399/
P.S. fun fact, propranolol and alcohol are banned substances for biathletes/shooters and basically no other sport because of how good they are at reducing nervous jitters