Final answer:
The nurse should be particularly vigilant for seizures as a potential CNS issue in late preterm infants.
Step-by-step explanation:
The nurse should be particularly vigilant for C) Seizures as a potential CNS issue in late preterm infants. Late preterm infants have a higher risk of developing seizures due to their immature central nervous system. Seizures are characterized by abnormal electrical activity in the brain and can manifest as repetitive body movements, staring spells, or changes in level of consciousness.