The nurse teaches the three cardinal signs of choking to the parents of a toddler who was treated for a foreign body obstruction. when asked to repeat the signs, the parents identify "turn blue" and "cannot speak." what third sign would the parents identify if teaching was successful?

The third sign that the parents would identify if teaching was successful is collapse.
Three cardinal signs of choking are 'turn blue,' 'cannot speak,' and 'collapse.' It is important that these parents identify the signs correctly so that they can help their toddler if it starts choking suddenly and prevent any harm from happening to it.

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