The nurse is caring for a patient receiving inhalant anesthesia and succinylcholine [Anectine]. The patient develops muscle rigidity and a temperature of 105°F. Which nursing action is essential? A. Prepare to administer dantrolene B. Administer normal saline at 50 mL/hr C. Administer morphine sulfate to relieve pain D. Prepare for intubation and mechanial ventilation