Final answer:
In this situation, since the neonate's condition is deteriorating and death appears imminent, it would be appropriate for the nurse to baptize the neonate.
Step-by-step explanation:
According to the Roman Catholic tradition, baptism is an important sacrament that should be performed as soon as possible after birth. In this situation, since the neonate's condition is deteriorating and death appears imminent, it would be appropriate for the nurse to baptize the neonate. The nurse should use water to baptize the neonate while reciting the necessary prayers and blessings.