The nurse observes a darkish blue pigment on the buttocks and back of an infant of African descent. Which of the following actions is most appropriate? 1. Ask the obstetrician to assess the child. 2....

The nurse observes a darkish blue pigment on the buttocks and back of an infant of African descent. Which of the following actions is most appropriate?

1. Ask the obstetrician to assess the child.

2. Assess the child for other areas of cyanosis.

3. Document this observation in the child's record.

4. Advise the mother that laser therapy is needed.