<span>The correct answers here are Apgar and Neonatal Behavioral Assessment.</span> This is used with newborns to 2-month-olds to provide a detailed portrait of the baby's behavioral repertoire. This is also what the doctors used for a comprehensive evaluation of the newborn's wellbeing.
An unlimited amount means that there would always be more of it: so they can't run out of it, there will always be more! and since they can't run out of it, they don't have to worry or make choices - they can just use it without any limits and thinking about it.
So the correct answer is
a. have to place limits on its use.
