A Client Is Scheduled for a Myelogram

A client is scheduled for a myelogram. Which of the following should the nurse instruct the client regarding pre-procedure activities? (Select all that apply.)

A) Drink extra fluids the evening before the procedure.
B) Take nothing by mouth 4 to 8 hours before the procedure.
C) Empty the bladder before the procedure.
D) Sleep with head elevated at a 30 degree angle.
E) Stay in bed for 16 hours.
F) Take pain medication as prescribed .