A new mother is worried about a "soft spot"on the top of her newborn infant's head. The nurse informs her that this is a normal physical finding called the anterior fontanel and that it will remain open until
1. 2 to 3 months of age.
2. 6 to 9 months of age.
3. 12 to 18 months of age.
4. approximately 2 years of age.
Answer:3
Rationale: The anterior fontanel is located at the top of the head and is the opening at the intersection of the suture lines. As the infant grows,the suture lines begin to fuse,and the anterior fontanel closes at 12 to 18 months of age.
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