Which of the Following Criteria Should Be Met Before a Patient

Which of the following criteria should be met before a patient in the ICU is progressed to standing and ambulation?

A) Patient is able to sit on the edge of the bed unsupported for at least 5 minutes.
B) Patient is able to perform knee extension exercise full range for 3 minutes.
C) Patient is hemodynamically stable with sitting on the edge of the bed and light exercise activity.
D) All of the above criteria need to be met.