Medical Check up

For the visa purpose, I scheduled myself for a medical check up on Thursday, April 8, 2010, at 8am.
They told me to bring :

1. Passport, original and 1 copy
2. Invitation letter for interview, 2 copies
3. US visa photos, 6 pcs 
4. 2000RMB worth of cash
5. My empty stomach

It's very expensive.... !!!!!