A postpartum nurse is providing care to four maternal/infant couplets. After receiving handoff report from the off-going nurse, which client will the nurse see first?

The mother who has saturated one peripad over the 4 hours since delivery.

The mother with a white blood cell count of 12,500/mm 24 hours after delivery.

The term infant with the appearance of jaundice and a high bilirubin reading 12 hours after birth.

The term infant with a heart rate of 158 beats/min 1 hour after birth.