What Should the Nurse Identify as an Example of an Installed

What should the nurse identify as an example of an installed forcing function or a system-level firewall to prevent errors when providing patient care?

A) Prior to administration of insulin, two nurses check the dose.
B) Prior to obtaining a medication, height, weight, and allergies are recorded.
C) All medications are checked by two nurses prior to administration.
D) Undiluted potassium chloride is not available on critical care units.