A One Month Old Baby Derek Was Brought into the Emergency

A one month old baby Derek was brought into the emergency department presenting with general malaise. His mother noted that baby Derek didn't want to waken for feedings and seemed generally listless and irritable. She also noticed that he didn't seem to be urinating very much. The triage nurse is concerned that the baby Derek may be in shock and immediately checks baby Derek's blood pressure. What would be the normal systolic blood pressure for baby Derek?

A) 60 mm Hg
B) 70 + 2x age (years)
C) 70 mm Hg
D) 30 mm Hg