During Night-Shift Report,the Nurse Notes That One of His Colleagues

During night-shift report,the nurse notes that one of his colleagues cannot seem to stay awake.Despite prompting and tea,she remains drowsy,and the nurse suspects substance abuse.The nurse reports this to the charge nurse.Which of the following describes the charge nurse's responsibility?

A) The charge nurse should fire the employee immediately.
B) The charge nurse should send the employee home immediately.
C) The charge nurse should send the employee for drug testing immediately.
D) The charge nurse should suspend the employee with pay immediately.