Which of the following ventilation methods is recommended because it provides the most effective ...

Which of the following ventilation methods is recommended because it provides the most effective ventilations?
 
  a. Use of a bag-valve mask (BVM) with reservoir attached, receiving air, by two OEC Technicians
  b. Use of a BVM with reservoir attached, receiving O2 at 15 LPM, by one OEC Technician
  c. Use of a BVM with reservoir attached, receiving O2 at 15 LPM, by two rescuers
  d. Use of a BVM with O2 reservoir attached, by one rescuer

Question 2

You are correctly performing the jaw-thrust maneuver when you:
 
  a. use the thumbs as a lever to lift the patient's mandible upward.
  b. maintain the patient's head in a neutral position and tilt the head slightly backward.
  c. open the patient's airway by slightly pushing down on the forehead and thrusting the jaw upward.
  d. place one had on the patient's forehead and lift the jaw upward with the other hand.