A patient has an open chest wound, which has been covered with an occlusive dressing. He is receiving oxygen at 12 L/min by nonrebreathing mask. During transport, the patient's heart rate increases, he becomes pale and diaphoretic, and his oxygen saturation falls. what should you do?
A. Increase the oxygen flow rate to 15 L/min
B. Remove the occlusive dressing from the chest wound
C. Administer a bronchodilator medication
D. Administer a vasodilator medication