A nurse is teaching a newly licensed nurse about performing head and neck assessments of children. Which of the following statements made by the newly licensed nurse demonstrates an understanding of the teaching?

"Infants should be able to hold their head steady without support by 3 months of age."

"The posterior fontanelles close by month of age."

"An infant's lymph nodes may be large and tender at 2 months of age."

The anterior fontanelles close from 12 to 24 months of age."