Mainly to see if there are infectious diseases or something. Senior three is basically the same as college. Take the class as a unit, measure the height and weight, blood pressure, vital capacity, chest X-ray, blood test, etc. The test result is usually that the person in charge informs the monitor and then informs you, or directly informs you. You can also explain the situation to doctors and others in advance to keep them confidential. This is your right. If not, you can't hide the real problem sooner or later. You have a class or something, and the doctor may do a more detailed examination. Think there's nothing to worry about. You should know your body and face all practical problems, so that you can solve them better.