The Nurse Is Caring for a Client Using a Continuous

The nurse is caring for a client using a continuous passive motion (CPM) machine and has delegated some tasks to the unlicensed assistive personnel (UAP) .What action by the UAP warrants intervention by the nurse?

A) Checking to see if the machine is working
B) Keeping controls in a secure place on the bed
C) Placing padding in the machine per request
D) Storing the CPM machine under the bed after removal