1. False; Pouring water on burning grease or oil will not extinguish the fire. It will only cause the burning oil to splash, spreading the grease fire around.
2. False; Pounding a person on the back does nothing more then knock what little air they may have inside of them out and lodge whatever they're choking on deeper.
3) True; The brain is extremely sensitive to lack of oxygen and begins to die within 4 to 6 minutes. So during choking incident one must act very fast during this time.
Since water and oil don't mix, when you dump water on a grease fire, it sinks right through to the bottom of the pan and evaporates instantly, spreading flaming oil everywhere.
2. True. <span><span> Give 5 back blows. Stand to the side and just behind a choking adult. For a child, kneel down behind. Place one arm across the person's chest for support. Bend the person over at the waist so that the upper body is parallel with the ground. Deliver five separate back blows between the person's shoulder blades with the heel of your hand.</span><span>
Give 5 abdominal thrusts. Perform five abdominal thrusts (also known as the Heimlich maneuver).</span><span>
Alternate between 5 blows and 5 thrusts until the blockage is dislodged.
3. True.
</span></span><span>The disruption of normal breathing by choking deprives oxygen delivery to the body, resulting in asphyxia.
Hoped I helped! If I was incorrect, please correct me. </span>
