Answer: The nurse needs to perform the following check on the child.
1 check for tachycardia(irregular beating of the heart.)
2.Capillary refill than 3 seconds
3.Sunken eyes .and fontanel(soft membranous gaps of infant skull).
These are all signs that the body electrolyte balance is deleted. And urgent need to adjust the is by the nurse.
Step-by-step explanation: