[ John is immediately grabbing the injured finger above the cut, applying pressure, and dragging him over to the sink where he turns the water on. ]

Keep pressure on that.

[ And then off he goes for the first aid kit. Thankfully it's not far and he's back quickly, but he just sets it aside for now, opting to examine Accelerator's finger under the stream of water instead. ]

Doesn't look like it needs stitches. A bandaid should do.

[ He gets one that's close enough to the right size and a paper towel. ]

Dry your finger off with this and I'll put it on.