As for the other items, they are completely going through the motions. For the internal medicine and surgery items, the doctor just asks you some questions, you casually answer them, and it's over. I think even if you have AIDS, he wouldn't be able to detect it. Almost forgot, they do need to test your blood.
Though I was feeling depressed, what annoyed me most was that they still charged me 80 yuan for such a physical examination. Alas, I did feel the pain when paying.
Finally, to sum up, having a physical examination simply means paying money to subject yourself to discouragement.