When examining a 3 year old,you determine that the anterior fontanel measures 2 cm and is soft and flat.This finding most likely indicates

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The anterior fontanel is soft and flat,ranging in size from 4 to 6 cm at birth.It gradually closes between 9 and 19 months of age.Remaining open after 2 1/2 years of age may be indicative of rickets,congenital hypothyroidism,Down syndrome,or hydrocephalus.Dehydration causes a sunken,depressed fontanel.A bulging,tense fontanel can indicate meningitis,an increased amount of cerebrospinal fluid,or increased intracranial pressure.

When Examining a 3 Year Old,you Determine That the Anterior