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?

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u