Priscilla Is a 1-Day-Old Infant Born at 36 Weeks Gestation

Priscilla is a 1-day-old infant born at 36 weeks gestation.She is in the neonatal intensive care unit for monitoring.Which of the following would be considered a normal finding?

A) Irregularly irregular heart rate of 200
B) Irregular heart rate increasing and decreasing with each breath
C) Regular heart rate of 70 to 120 beats per minute
D) Heart rate of 60 to 100 beats per minute