Nothing to worry about...
If you have any questions, it would pay if you use the search option, they have been answered many times before and if you follow the link, you will find the list of requirements.
Good luck in your application
As far as I know, only the americans require a medical examination.
But it is recommended that you bring a chest x-ray with you for when you arrive in the UK.
http://filipinaroses.com/showthread....a+requirements