Which hospitalized patient requires continuous cardiac monitoring?

At delivery, the neonate is noted to have diffuse purple lesions over the entire body and is taken to the neonatal intensive care unit for further assessment and management. The nurse notes the toes have turned black; pedal pulses are palpable. The nurse anticipates testing will reveal a deficiency in which substance?

The patient receiving sliding scale insulin requests the subcutaneous insulin to be injected into the abdomen. Immediately prior to administration, the nurse notes the site is stringy, slightly indurated, and has several fat masses. Which action by the nurse is appropriate?