A client has been brought to the emergency department (ED) by ambulance after he was reported to ...

A client has been brought to the emergency department (ED) by ambulance after he was reported to have flown into an inexplicable rage in a fast food restaurant.
 
  Paramedics state that he has been shouting, screaming, and swearing in the ambulance, and this behavior now continues in the ED. In order to justify the use of restraints, what condition must be met?
  A) The client's electronic health record must document a DSM-IV-TR psychiatric diagnosis.
  B) Less restrictive measures must have been implemented and must have proved unsuccessful.
  C) The client must be known to a member of the care team and have required restraint in the past.
  D) The care team must attempt to elicit verbal consent from the client for the use of restraints.