One of the Patients on a Nurse's Team Has Become

One of the patients on a nurse's team has become very ill and is requiring more of the nurse's time than was anticipated. The nurse must delegate some patient care activities in order to have time to care for this critically ill patient. Which activity can this nurse only delegate to another nurse?

A) Assessment of a newly admitted patient.
B) Checking the blood pressure of a patient who had blood pressure elevation yesterday.
C) Helping a patient with a shower.
D) Delivering a specimen to the lab.