At a restaurant, a customer chokes on a piece of food. You put your arms around the person's waist and use your fists to push up on the person's abdomen, an action called the heimichi manuver

How would this action change the volume of the chest and lungs? Why does it cause the person to expel the food item from the airway?
Match the words in the left column to the appropriate blanks in the sentences on the right.
low
increase
high
decrease
1. The volume of the chest and lungs will (blank)
, which will cause the pressure to(blank)
2. A piece of food would be dislodged with a sufficiently
(Blank) pressure.

1 answer

1. The volume of the chest and lungs will (increase), which will cause the pressure to (decrease).
2. A piece of food would be dislodged with a sufficiently (high) pressure.