CRNE Exam Prep

Category - Changes in Health

A nurse is assessing a six-month-old child. On assessment, noting of which of the following findings should alert the nurse to a possible problem?
  1. The posterior fontanel is not completely ossified.
  2. The anterior fontanel is not completely ossified.
  3. The tonic neck reflex is not demonstrated.
  4. The infant’s birth weight doubled.
Explanation
Answer: A - The posterior fontanel closes between two and three months of age. The anterior fontanel closes between twelve and eighteen months of age. The tonic reflex disappears on the fourth month and the infant’s weight should double by the sixth month.
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