Ramadhaan & Fasting

Q: I would like to know about fasting on the 27th of Rajab.

Q: I am a student in Saudi Arabia studying in a private school in Dammam. Our school recently changed their examination dates. The problem is that Ramadhaan is during these days.

My question is that is it permissible for a student to skip 2 or 3 days of fasting for exams? I might not be able to concentrate on an empty stomach during the exam and while studying for it.

Q: Is fasting every Thursday right or is it a bidah?

Q: While fasting, if one swallows a food particle stuck between one's teeth, will the fast break?

Q: During the month of Ramadhaan, once I had broken my fast through eating. What is the Shar'ee ruling in such a case?

Q: If a person commits the sin of masturbation during the fast of Ramadhaan, does kaffarah become wajib? If not, why is this so?

Q: If a person is fasting a qadha fast of Ramadhaan and breaks it intentionally, is the 60 days kaffarah due?

Q: Regarding kaffaarah fast. It says for the amount of fasts broken a person has to make kaffarah and qadha. So if a woman broke say for example seven fasts, must she do one kaffaarah (60days) plus 7 qadhas or just 6 days kaffarah and one qadha?

Q: If a person is doing dialysis while fasting, will his fast break and can he fast during the month of Ramadhaan if he has to go for dialysis?

Q: Is it true that during fasting if you feel a piece of food stuck in your teeth, then you can swallow it and it won't break your fast?