Problem: Two hours into a hyperbaric oxygen procedure in a multiplace chamber, the DMT notices intermittent twitching around the corners of a patient's mouth. What is the appropriate immediate controlling action? a) Insure the oxygen delivery hood/mask is secure on the patient's face. b) Take the patient off oxygen and advise the hyperbaric medical staff c) Obtain a set of vital signs d) Do a neurological examination e) Decompress the chamber immediately