Ailsa cringed a little bit as the professor seemed to dislike her answer. She hadn't meant to be sassy, though looking back she had to admit that she kind of was. OK, maybe not "kind of". Still. 'Assess the situation and apply general knowledge to suit the specific circumstances,' which was technically the only universally correct generalized answer, would have been even worse, and that had been what she'd been tempted to answer.

Oh well, press on and all that. She raised her hand for the next answer.

"The side of the neck, sir, where the brachial plexus runs past the hinge of the jaw. That can really disrupt someone for a bit if you position the strike properly."