No
Not always, but most common that you will be pregnant.
IF a guy has been inside you with his penis, there is ALWAYS a chance of you becoming pregnant. However, blood will not make you pregnant. If a guy is bleeding inside you, then there is something wrong with his genitalia and both you and he should go and see a Doctor as he may have a disease which he can pass on to you.
yes
Yes. If you do not wish to become pregnant you should always use a condom and/or a reliable method of birth control.
Yes
If a guy comes inside the girl, she can get pregnant no matter what, except if they are using contraception [condoms, etc.]
No, it means that you did not get pregnant that time. People do not get pregnant every time they have sex, but they can still get pregnant later.
The sperm can live up to 5 days inside you so yes.
Yes, seconds is enough.
not if you douche with bleach really fast
It only takes once with unprotected sex to become pregnant.