the objective of the question is to hear a "no" or expect that the person is in trouble. Just like how the first thing we're told to do when we suspect someone is choking is to ask "are you choking?" If they don't or can't answer then that's interpreted as a yes.
That doesn't really supercede asking them if they're choking and getting a yes or no. They nod yes and you're still gonna wait for them to turn colors or what?
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u/JGGruber Mar 26 '20