A nurse is working with a preceptor in a well-baby clinic that deals with children aged birth to 12 years old. During the routine physical assessment of a 2-year-old, the nurse identifies which finding as being abnormal for this age group?

a. Heart rate of 92 beats/min, regular
b. Respiration rate of 20 bpm, abdominal breathing noted
c. Blood pressure of 116/80 mm Hg
d. Wears diapers since not potty trained