To perform hydraulic ventilation, a fog nozzle should be set on a wide fog pattern to cover what percent of the opening through which the smoke will be drawn or pulled?

Red blood cells carry _______ molecules

a. plasma b. fibrinogen c. heparin d. hemoglobin

A vehicle has been struck in its front end by another car. The driver is entrapped and the roof must be rolled back to allow extrication. The car has been appropriately stabilized and you are inside with the patient. The primary assessment is complete and a cervical collar applied. Rescue personnel are ready to begin cutting the vehicle. At this time, the appropriate action is to:

A) place a tarp over the patient. B) stabilize the vehicle. C) apply a short vest-type extrication device. D) remove the windshield.