This part of the exam covers breathing emergencies — from respiratory distress to respiratory arrest and choking. These are common and can become life-threatening quickly.
Topics include the signs of respiratory distress, rescue breaths, choking care for adults, children, and infants, and using a breathing barrier.
Trouble breathing is a common sign that a person is in respiratory distress. The other choices do not show that breathing is being affected.
During the drowning process, a person can develop severe breathing problems and may stop breathing. The other choices do not cause a breathing emergency.
Infant choking care uses back blows and chest thrusts. Abdominal thrusts are not used on infants.
A good seal helps air go into the lungs instead of leaking out. A poor seal makes rescue breaths less effective.
A good seal helps air enter the airway. Blowing from far away or allowing leaks makes breaths less effective.
Asthma can narrow the airways and make breathing hard. The other choices do not usually cause a breathing emergency.
Each rescue breath should be given over about 1 second — a gentle breath, just enough air to make the chest begin to rise. A large or forceful breath can push air into the stomach and is not the goal.
A responsive child who is choking is treated with back blows and abdominal thrusts. CPR is for an unresponsive person.
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