Final answer:
The nurse should offer assistance with diapering and provide guidance to help the patient gain confidence and develop the skills necessary to correctly diaper the baby.
Step-by-step explanation:
The nurse should take action C) Offer assistance with diapering and provide guidance. By offering assistance and guidance, the nurse can help the patient gain confidence and develop the skills necessary to correctly diaper the baby. This can include demonstrating the correct technique, explaining the steps, and providing hands-on assistance as needed.