BLS 2023-with accurate answers

What is purpose of head tilt and chin lift OR jaw thrust? - Answers-This is the CAB - A part of the cycle = airway Head tilt and chin lift OR jaw thrust open up airways Jaw thrust is used when neck injury may be involved What is the purpose of maintaining blood flow? - Answers-To perfuse the brain and the arteries If you need to provide CPR and do NOT have a ventilation barrier, what should you do? - Answers-Just give chest compressions and check after 30 compressions for pulse and breathing Caution:do NOT give excessive ventilation. Why? - Answers-Giving excessive ventilation can cause gastric inflation (air gets into the stomach due to too much ventilation or improper head and chin tilt). Gastric inflation can cause gastric regurgitation (which could lead to the aspiration (which is the when food or liquid from stomach gets into the lungs)