Final answer:
The nurse determines that the mother understands the instructions if the mother says that she will encourage frequent, effective breastfeeding.
Step-by-step explanation:
The nurse determines that the mother understands the instructions if the mother says that she will encourage frequent, effective breastfeeding. Breast milk has laxative properties that help expel meconium from the intestines and clear bilirubin through the excretion of bile. Breastfeeding also helps establish a good milk supply and promotes bonding between the mother and newborn.