A client with a diagnosis of myasthenia gravis has required a mastectomy for the treatment of breast ...

A client with a diagnosis of myasthenia gravis has required a mastectomy for the treatment of breast cancer. The surgery has been deemed a success, but the client has gone into a myasthenic crisis on postoperative day 1.
 
  Which of the following measures should the care team prioritize in this client's immediate care?
  A) Positioning the client to minimize hypertonia and muscle rigidity
  B) Seizure precautions with padded side rails and bed in lowest height
  C) Respiratory support and protection of the client's airway
  D) Monitoring the client for painful dyskinesias