The nurse is reviewing the patient’s urinalysis and notes the presence of rare epithelial cells. Which interpretation of this finding is correct?

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 is brought to the emergency department (ED) after being found on the floor in the garage by his wife. His right cheek balloons with each expiration and his right leg drags when he walks. While being assisted to the magnetic resonance imaging suite, the patient’s facial drooping resolves and he no longer walks with a limp. Which action does the nurse take first?