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You are called to a local restaurant for a 45-year-old male who collapsed while eating dinner. He is unresponsive, lying supine on the floor. Bystanders tell you he grabbed his chest and went down. You check for a pulse and find none. What is your MOST appropriate next step? A) Perform abdominal thrusts to clear a possible airway obstruction B) Begin high-quality CPR starting with chest compressions C) Insert an OPA and deliver ventilations with a BVM D) Open the airway with a head-tilt chin-lift and check for breathing

Which of the following best describes the function of the sympathetic nervous system during a stress response? A. Decreases heart rate, increases digestion, constricts pupils B. Increases heart rate, dilates bronchioles, constricts peripheral vessels, increases blood glucose C. Decreases blood pressure by relaxing vascular smooth muscle D. Stimulates the release of insulin to lower blood glucose

You are the first-arriving EMT on scene of a two-vehicle collision at an intersection. One vehicle has significant front-end damage with airbag deployment. The second vehicle is on its side with fuel leaking from the engine compartment. There are four patients total. Fire and additional EMS units are en route. As you begin your scene size-up, a bystander tells you that one of the patients inside the overturned vehicle is unconscious. You note a strong odor of gasoline and light traffic continuing to pass through the intersection. What is your priority action? A. Immediately access the unconscious patient and begin airway management B. Direct bystanders to help remove patients from the overturned vehicle C. Establish scene safety and request additional resources while preventing traffic flow D. Begin triage and tag the most severely injured patient first

You respond to a 26-year-old female who is 39 weeks pregnant. She is having strong contractions every 2 minutes lasting 60 seconds. As you prepare for delivery, you see a loop of umbilical cord protruding from the vagina. What is your immediate action? A. Place the mother supine and begin delivery B. Gently push the cord back into the vagina C. Place the mother in knee-chest position and insert two gloved fingers to relieve pressure on the cord D. Apply high-flow oxygen and transport rapidly