A Hep-Lock (Saline Lock)is

A hep-lock (saline lock) is:

A) used to maintain security of the medication room.
B) rarely used for administration of medication.
C) used to establish an intermittent line when IV fluids are no longer needed but IV entry is still required.
D) kept patent by dextrose flushes administered at specific intervals at the discretion of the registered nurse.