A student nurse approaches and asks a nurse to check and make sure the continuous passive motion (CPM) machine is correct before it is turned on. The most important action by the nurse is to
1. Verify that the sheepskin does not have any folds.
2. Stand at the foot of the bed to inspect the alignment.
3. Check to see whether the CPM machine is plugged in.
4. Ask the patient to rank his or her current level of pain.
ANS: 2
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