Following blunt trauma to the chest, an 18 year old female presents with a respiratory rate of 6 breaths per minute, reduced tidal volume, and cyanosis. Her blood pressure is 80/50 mm Hg and her pulse is 130 and thready. You should:
a. provide some form of positive pressure ventilation
b. place her supine and elevate her lower extremities
c. apply 100% oxygen via non-rebreather mask and immediately transport
d. perform a complete detailed exam before deciding on her transport disposition