BLS Basic life support (Latest 2025 AHA)
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Adult chest compressions in CPR Quiz
1.
Position of your hands during Chest compressions
1
At 90 degrees to the floor, with elbows bent to 90 degrees
At 90 degrees to the floor, with straight elbows
Place them close to the neck
Place them at the center of abdomen
2.
Why is chest recoil important
1
Heart can get injured if there’s no recoil
Chest recoil helps with oxygenation
Ribcage gets strengthened with recoil
Increased chest pressures impair blood flow returning to the heart
3.
Which is not a feature of high quality CPR
1
A rate of 100-120 compressions/min
Depth of 1/3rd chest diameter (2inches/5cms)
Minimize chest recoil
Minimize interruptions
4.
Regarding depth of chest compressions
1
Compress 1/3rd the chest
Compress 5cm depth
Compress upto 4cm in adults
Compress as deep as possible
5.
What happens with interruptions in chest compressions?
1
Drastic improvement in perfusion
Improved output from heart
Perfusion pressures go down
Rescuers get tired
6.
For chest compressions to be effective, the surface should be
1
Flat and firm
Surface with a bump in middle
Soft and fluffly to avoid injuries
It doesn’t matter
7.
What happens when you compress at a faster rate than recommended 100-120 / min?
1
Oxygen cannot reach lungs
Heart chambers will not have time to refill
You will get tired faster
You might break the ribcage
