A patient, currently undergoing chemotherapy, has a WBC = 1,000. The nurse calls the oncologist with the results. The oncologist orders the following. Which order should the nurse do first?
a. Zosyn 1gm IV every 12 hours
b. Obtain blood cultures x 2
c. CBC every 4 hours
d. Oxygen 2-4 L NC PRN for oxygen saturation < 92%
