Chest wall rigidity can be caused by rapid infusion of which of the following opioid-
Rapid administration of larger doses of opioids (paicularly fentanyl, sufantanyl, Remifentanil and alfentanyl) can induce chest wall rigidity severe enough to prevent adequate bag and mask ventilation. This is centrally mediated muscle contention is effectively treated with neuromuscular blockers.
Fentanyl
Sufentanyl
Remifentanil
All of the above
Intravenous Anesthetic Agents