Ralph sits.
"Might wanna relax, it'll make it easier to pull out this way," the medic says, carefully disinfecting near the wound with a swab before taking a pair of tweezers and carefully excising the shard of glass. There's a significant amount of blood, a few drops flowing down your arm, but nothing life-threatening. "Severed a couple of minor blood vessels, isn't too bad." He continues by stitching the wound closed, having left the glass shard on a nearby plate to be disposed of. "You should be fine, but stay offa that arm for a while." He disinfects the stitched wound one more time before sending you on your way.