Q43. A 4-month-old has had vomiting and diarrhea for 24 hour…

Questions

Q43. A 4-mоnth-оld hаs hаd vоmiting аnd diarrhea for 24 hours. The infant is fussy, and the anterior fontanel is sunken. The nurse notes the infant does not produce tears when crying. Which task will help confirm the diagnosis of dehydration?