School and college physical exams

When I was 16 I got a physcial at school,the whole class was told to strip to their underwear,then we were called into the female nurse 3 at a time who took our weight and asked questions and so on.Then the doctor examined us in the same room and done the useal check up told us to take of our underwear to check our privates and the cough test.Then he asked us for a urine sample and a sperm sample so the three of us jacked of in front of the doctor and nurse. the nurse collected our samples with our stiff $%!@ sticking out