The answer is Yes. All trauma patients are assumed to have a Cervical spine (C-Spine) injury until proven otherwise
Well, what was the breathing technique you picked or what are the options?
Contraception has many methods but each artificial method may not protect all kinds of STD's. Other methods may only protect the bacterial type but not those that viral type or vice versa. The best way to protect oneself from STD is to have a monogamous relationship with an infected partner with full awareness of the fertility cycle.