It does sort of beg the logical question of why Archie didn't just use the tranquilizer spray on Veronica though, doesn't it?
Maybe he's so used to being reduced to a quivering blob of Jello whenever she gets angry at him that he was too rattled to maintain the same calm cool demeanor he had with Big Moose.
Of course the only real answer is that they had to wrap the story up on that page and needed a funny ending, and you're not supposed to be thinking about it that hard (although it's pretty hard NOT to).