The nurse is talking with the parent of a 3-month-old client. The parent expresses concern that the infant is unable to roll over.
Which of the following would be an appropriate response for the nurse to make?
1. "We should inform your child’s primary health care provider about this delay."
2. "Most infants are able to roll over between the ages of 4 and 6 months."
3. "Does your infant smile in response to your smile?"
4. "Is your infant able to pick up objects?"