The nurse is planning to complete the following assessments during the last half hour of the shift. Which of the following assessments has the highest priority and should be accomplished first?

C A mother who had a cesarean section and is 6 hours post delivery with the baby in special care nursery; the mother has not yet seen her baby. B A newly admitted postpartum client who is receiving magnesium sulfate at 3 g an hour initiated 10 hours ago for preeclampsia; her infant ate poorly previously and has not eaten for 4 hours. D A couplet that delivered at 36 weeks' gestation: the 5 lb infant had initial blood glucose of 35 mg/dL and when taken to the room had a glucose of 46 mg/dL. A A postpartum couplet with the infant who has had transient assignment (TTN) at birth and now has a respiratory rate of 60 breaths/minute.