Command chain refers to an uninterrupted power line that extends from the highest level of the organization to the lowest level to clarify who reports to whom. It can answer the questions raised by employees: who should I ask when I have questions? and who am I responsible for.
not a command chain?
If the inpatient has any discomfort at night, he should first inform the nurse. After the nurse asks about the situation, if he doesn't know how to deal with it, he should ask the first-line doctor on duty. If the first-line doctor can't deal with it, he should hand it over to the second-line doctor on duty.