Taking slams is one of the many rites of passage in snowboarding. Depending on how worried you are about how much of a mug you look when taking a slam, learning how to deal with the moments after is an acquired skill, especially with the inevitable influx of pain.
Once again the Science of Shred returns to run you through their guide of different outcomes you can choose during the aftermath of a slam. Which one to go for? You decide, but most likely it will come naturally.