The paramedics are responding to a motor vehicle collision. While approaching the vehicle he notes a large, circular crack in the windshield. Upon reaching the car he finds a middle aged female lying unrestrained on the floor of the car with a significant pool of blood around the head. The patient's pulse is rapid and thread, her capillary refill is slow, and she does not respond to verbal stimuli. Suspected a head injury, which of the following treatment is considered to be the primary first line therapy for the patients with the suspected head injury?
a) Hyperventilate the patient to increase circulating CO2 levels
b) Repeat vital signs every 5 mins to monitor for pulmonary edema
c) Initiate two large bore catheters of normal saline for medication ports
d) Administration of high flow oxygen to encourage uptake by the hemoglobin